Info
- Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.
High efficiency RF and microwave solid state power amplifiers [[electronic resource] /] / Paolo Colantonio, Franco Giannini, Ernesto Limiti
| High efficiency RF and microwave solid state power amplifiers [[electronic resource] /] / Paolo Colantonio, Franco Giannini, Ernesto Limiti |
| Autore | Colantonio Paolo |
| Pubbl/distr/stampa | Chichester, UK, : J. Wiley, 2009 |
| Descrizione fisica | 1 online resource (520 p.) |
| Disciplina | 621.381325 |
| Altri autori (Persone) |
GianniniFranco <1944->
LimitiErnesto |
| Collana | Wiley series in microwave and optical engineering |
| Soggetto topico |
Power amplifiers
Amplifiers, Radio frequency Microwave amplifiers Solid state electronics |
| ISBN |
1-282-23756-X
9786612237560 0-470-74654-8 0-470-74655-6 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
High Efficiency RF and Microwave Solid State Power Amplifiers; Contents; Preface; About the Authors; Acknowledgments; 1 Power Amplifier Fundamentals; 1.1 Introduction; 1.2 Definition of Power Amplifier Parameters; 1.3 Distortion Parameters; 1.3.1 Harmonic Distortion; 1.3.2 AM-AM/AM-PM; 1.3.3 Two-tone Intermodulation; 1.3.4 Intercept Point IPn; 1.3.5 Carrier to Intermodulation Ratio; 1.3.6 Spurious Free Dynamic Range; 1.3.7 Adjacent Channel Power Ratio; 1.3.8 Noise and Co-Channel Power Ratio (NPR and CCPR); 1.3.9 Multi-tone Intermodulation Ratio; 1.3.10 Error Vector Magnitude
1.4 Power Match Condition 1.5 Class of Operation; 1.6 Overview of Semiconductors for PAs; 1.7 Devices for PA; 1.7.1 Requirements for Power Devices; 1.7.2 BJT; 1.7.3 HBT; 1.7.4 FET; 1.7.5 MOSFET; 1.7.6 LDMOS; 1.7.7 MESFET; 1.7.8 HEMT; 1.7.9 General Remarks; 1.8 Appendix: Demonstration of Useful Relationships; 1.9 References; 2 Power Amplifier Design; 2.1 Introduction; 2.2 Design Flow; 2.3 Simplified Approaches; 2.4 The Tuned Load Amplifier; 2.5 Sample Design of a Tuned Load PA; 2.6 References; 3 Nonlinear Analysis for Power Amplifiers; 3.1 Introduction; 3.2 Linear vs. Nonlinear Circuits 3.3 Time Domain Integration 3.3.1 Iterative Algorithm (Newton-Raphson and Fixed-point); 3.4 Example; 3.4.1 Forward Euler Solution; 3.4.2 Backward Euler Solution; 3.4.3 Steady-state Analysis and Shooting Method; 3.4.4 Example; 3.5 Solution by Series Expansion; 3.6 The Volterra Series; 3.6.1 Response to a Single-tone Excitation; 3.6.2 Response to a Two-tone Excitation; 3.6.3 The Probing Method; 3.6.4 Example; 3.6.5 Cascade of Systems; 3.7 The Fourier Series; 3.8 The Harmonic Balance; 3.8.1 Example; 3.8.2 Multi-tone HB Analysis; 3.9 Envelope Analysis; 3.10 Spectral Balance 3.11 Large Signal Stability Issue 3.12 References; 4 Load Pull; 4.1 Introduction; 4.2 Passive Source/Load Pull Measurement Systems; 4.3 Active Source/Load Pull Measurement Systems; 4.3.1 Two-signal Path Technique; 4.3.2 Active Loop Technique; 4.4 Measurement Test-sets; 4.4.1 Scalar Systems; 4.4.2 VNA Based Systems; 4.4.3 Six-port Reflectometer Based Systems; 4.5 Advanced Load Pull Measurements; 4.5.1 Intermodulation Measurements; 4.5.2 Time-domain Waveform Load Pull; 4.5.3 Pulsed Load Pull; 4.6 Source/Load Pull Characterization; 4.7 Determination of Optimum Load Condition 4.7.1 Example of Simplified Load Pull Contour 4.7.2 Design of an Amplifier Stage using Simplified Load Pull Contours; 4.8 Appendix: Construction of Simplified Load Pull Contours through Linear Simulations; 4.9 References; 5 High Efficiency PA Design Theory; 5.1 Introduction; 5.2 Power Balance in a PA; 5.3 Ideal Approaches; 5.3.1 Tuned Load; 5.3.2 Class F or Inverse Class F (Class F-1); 5.3.3 Class E or General Switched-mode; 5.4 High Frequency Harmonic Tuning Approaches; 5.4.1 Mathematical Statements; 5.5 High Frequency Third Harmonic Tuned (Class F); 5.6 High Frequency Second Harmonic Tuned 5.7 High Frequency Second and Third Harmonic Tuned |
| Record Nr. | UNINA-9910139765403321 |
Colantonio Paolo
|
||
| Chichester, UK, : J. Wiley, 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
High efficiency RF and microwave solid state power amplifiers / / Paolo Colantonio, Franco Giannini, Ernesto Limiti
| High efficiency RF and microwave solid state power amplifiers / / Paolo Colantonio, Franco Giannini, Ernesto Limiti |
| Autore | Colantonio Paolo |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Chichester, UK, : J. Wiley, 2009 |
| Descrizione fisica | 1 online resource (520 p.) |
| Disciplina | 621.381325 |
| Altri autori (Persone) |
GianniniFranco <1944->
LimitiErnesto |
| Collana | Wiley series in microwave and optical engineering |
| Soggetto topico |
Power amplifiers
Amplifiers, Radio frequency Microwave amplifiers Solid state electronics |
| ISBN |
1-282-23756-X
9786612237560 0-470-74654-8 0-470-74655-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
High Efficiency RF and Microwave Solid State Power Amplifiers; Contents; Preface; About the Authors; Acknowledgments; 1 Power Amplifier Fundamentals; 1.1 Introduction; 1.2 Definition of Power Amplifier Parameters; 1.3 Distortion Parameters; 1.3.1 Harmonic Distortion; 1.3.2 AM-AM/AM-PM; 1.3.3 Two-tone Intermodulation; 1.3.4 Intercept Point IPn; 1.3.5 Carrier to Intermodulation Ratio; 1.3.6 Spurious Free Dynamic Range; 1.3.7 Adjacent Channel Power Ratio; 1.3.8 Noise and Co-Channel Power Ratio (NPR and CCPR); 1.3.9 Multi-tone Intermodulation Ratio; 1.3.10 Error Vector Magnitude
1.4 Power Match Condition 1.5 Class of Operation; 1.6 Overview of Semiconductors for PAs; 1.7 Devices for PA; 1.7.1 Requirements for Power Devices; 1.7.2 BJT; 1.7.3 HBT; 1.7.4 FET; 1.7.5 MOSFET; 1.7.6 LDMOS; 1.7.7 MESFET; 1.7.8 HEMT; 1.7.9 General Remarks; 1.8 Appendix: Demonstration of Useful Relationships; 1.9 References; 2 Power Amplifier Design; 2.1 Introduction; 2.2 Design Flow; 2.3 Simplified Approaches; 2.4 The Tuned Load Amplifier; 2.5 Sample Design of a Tuned Load PA; 2.6 References; 3 Nonlinear Analysis for Power Amplifiers; 3.1 Introduction; 3.2 Linear vs. Nonlinear Circuits 3.3 Time Domain Integration 3.3.1 Iterative Algorithm (Newton-Raphson and Fixed-point); 3.4 Example; 3.4.1 Forward Euler Solution; 3.4.2 Backward Euler Solution; 3.4.3 Steady-state Analysis and Shooting Method; 3.4.4 Example; 3.5 Solution by Series Expansion; 3.6 The Volterra Series; 3.6.1 Response to a Single-tone Excitation; 3.6.2 Response to a Two-tone Excitation; 3.6.3 The Probing Method; 3.6.4 Example; 3.6.5 Cascade of Systems; 3.7 The Fourier Series; 3.8 The Harmonic Balance; 3.8.1 Example; 3.8.2 Multi-tone HB Analysis; 3.9 Envelope Analysis; 3.10 Spectral Balance 3.11 Large Signal Stability Issue 3.12 References; 4 Load Pull; 4.1 Introduction; 4.2 Passive Source/Load Pull Measurement Systems; 4.3 Active Source/Load Pull Measurement Systems; 4.3.1 Two-signal Path Technique; 4.3.2 Active Loop Technique; 4.4 Measurement Test-sets; 4.4.1 Scalar Systems; 4.4.2 VNA Based Systems; 4.4.3 Six-port Reflectometer Based Systems; 4.5 Advanced Load Pull Measurements; 4.5.1 Intermodulation Measurements; 4.5.2 Time-domain Waveform Load Pull; 4.5.3 Pulsed Load Pull; 4.6 Source/Load Pull Characterization; 4.7 Determination of Optimum Load Condition 4.7.1 Example of Simplified Load Pull Contour 4.7.2 Design of an Amplifier Stage using Simplified Load Pull Contours; 4.8 Appendix: Construction of Simplified Load Pull Contours through Linear Simulations; 4.9 References; 5 High Efficiency PA Design Theory; 5.1 Introduction; 5.2 Power Balance in a PA; 5.3 Ideal Approaches; 5.3.1 Tuned Load; 5.3.2 Class F or Inverse Class F (Class F-1); 5.3.3 Class E or General Switched-mode; 5.4 High Frequency Harmonic Tuning Approaches; 5.4.1 Mathematical Statements; 5.5 High Frequency Third Harmonic Tuned (Class F); 5.6 High Frequency Second Harmonic Tuned 5.7 High Frequency Second and Third Harmonic Tuned |
| Altri titoli varianti | High efficiency radio frequency and microwave solid state power amplifiers |
| Record Nr. | UNINA-9910811012903321 |
|
Colantonio Paolo
|
||
| Chichester, UK, : J. Wiley, 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Linearization and efficiency enhancement techniques for silicon power amplifiers : from RF to mmW / / Eric Kerhervé, Didier Belot
| Linearization and efficiency enhancement techniques for silicon power amplifiers : from RF to mmW / / Eric Kerhervé, Didier Belot |
| Autore | Kerhervé Eric |
| Pubbl/distr/stampa | Oxford, England : , : Academic Press, , 2015 |
| Descrizione fisica | 1 online resource (163 p.) |
| Disciplina | 621.381325 |
| Soggetto topico |
Power amplifiers
Amplifiers, Radio frequency |
| ISBN | 0-12-418681-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Linearization and Efficiency Enhancement Techniques for Silicon Power Amplifiers; Copyright Page; Contents; List of Contributors; 1 Holistic Approaches for Power Generation, Linearization, and Radiation in CMOS; 1.1 Self-Healing Integrated Circuits; 1.1.1 Self-Healing mm-Wave Power Amplifier; 1.1.2 Sensing RF Power; 1.1.3 Sensing DC Current; 1.1.4 Actuating Quiescent Operating Point; 1.1.5 Data Conversion and Healing Algorithm; 1.1.6 Measurement Results; 1.2 Segmented Power Mixer for mm-Wave Transmitters; 1.2.1 Key Building Blocks; 1.2.2 Measurement Results
1.3 Distributed Active Radiation1.3.1 DAR Design Approach; 1.3.2 Architecture; 1.3.3 Measurement Results; References; 2 Cartesian Feedback with Digital Enhancement for CMOS RF Transmitter; 2.1 Introduction; 2.2 CFB Loop; 2.3 CFB Digital Part Implementation; 2.3.1 Phase Estimation; 2.3.1.1 "atan"-Based Architecture; 2.3.1.1.1 LUT-Based Architecture; 2.3.1.1.2 CORDIC-Based Architecture; 2.3.1.2 "Modulo" Function Implementation; 2.3.2 Vector Rotation; 2.3.2.1 LUT and Multipliers Solution; 2.3.2.2 CORDIC-Based Solution; 2.3.3 Subtraction; 2.3.4 Improvement of CFB CORDIC-Based Architecture 2.3.4.1 Modification of the CFB Algorithm2.3.4.2 New Architecture; 2.4 Analog Part Implementation; 2.5 Linearized Transmitter Results; 2.6 Power Consumption and Size Considerations; 2.7 Conclusion; References; 3 Transmitter Linearity and Energy Efficiency; 3.1 Introduction; 3.2 The PA Design Problem; 3.3 A Reverse Design Approach; 3.3.1 PA Operating Modes; 3.3.2 What Does "Gain" Mean When Nonlinear?; 3.3.3 Apparent Linearity: Output Signal Accuracy; 3.3.4 Stage Series Resistance; 3.4 Output Power Control; 3.5 OBO Elimination; 3.6 Stabilities: Circuit, Thermal, and Manufacturing 3.6.1 Stability of the Circuit3.6.2 Stability Over Temperature; 3.6.3 Stability Across Manufacturing; 3.7 Aging; 3.8 Categorizing C-mode Operation; 3.9 Conclusion; References; 4 mmW Doherty; 4.1 Introduction; 4.2 Doherty Amplifier; 4.2.1 Doherty Structure; 4.2.2 Nonidealities in Doherty Structure; 4.3 mmW Doherty Amplifiers; 4.3.1 Silicon Transistors in mmW Doherty Structure; 4.3.2 Passive Components in mmW Doherty Structure; 4.3.3 Other Techniques; References; 5 Reliable Power Amplifier; 5.1 Introduction; 5.2 Effect of CMOS Technology Scaling on Thermal Management 5.3 Metal Interconnects Electromigration5.4 Time-Dependent Dielectric Breakdown (TDDB); 5.5 Hot Carrier Injection; 5.5.1 DC Model; 5.5.2 RF Model; 5.6 Electrostatic Static Discharge; 5.6.1 Human Body Model; 5.6.2 Machine Model; 5.6.3 Charged Device Model; 5.6.4 ESD Protection; 5.7 Voltage Standing Wave Ratio; 5.8 Power Amplifier Design for Reliability; 5.8.1 Mission Profile Analysis; 5.9 Intrinsically Robust Design; 5.10 Self-Healing Design; 5.11 Conclusion; References; 6 Efficiency Enhancement for THz Power Amplifier; 6.1 Introduction 6.2 Power Amplifier Performance Trade-offs Toward THz Operation |
| Record Nr. | UNINA-9910787223303321 |
|
Kerhervé Eric
|
||
| Oxford, England : , : Academic Press, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Linearization and efficiency enhancement techniques for silicon power amplifiers : from RF to mmW / / Eric Kerhervé, Didier Belot
| Linearization and efficiency enhancement techniques for silicon power amplifiers : from RF to mmW / / Eric Kerhervé, Didier Belot |
| Autore | Kerhervé Eric |
| Pubbl/distr/stampa | Oxford, England : , : Academic Press, , 2015 |
| Descrizione fisica | 1 online resource (163 p.) |
| Disciplina | 621.381325 |
| Soggetto topico |
Power amplifiers
Amplifiers, Radio frequency |
| ISBN | 0-12-418681-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Linearization and Efficiency Enhancement Techniques for Silicon Power Amplifiers; Copyright Page; Contents; List of Contributors; 1 Holistic Approaches for Power Generation, Linearization, and Radiation in CMOS; 1.1 Self-Healing Integrated Circuits; 1.1.1 Self-Healing mm-Wave Power Amplifier; 1.1.2 Sensing RF Power; 1.1.3 Sensing DC Current; 1.1.4 Actuating Quiescent Operating Point; 1.1.5 Data Conversion and Healing Algorithm; 1.1.6 Measurement Results; 1.2 Segmented Power Mixer for mm-Wave Transmitters; 1.2.1 Key Building Blocks; 1.2.2 Measurement Results
1.3 Distributed Active Radiation1.3.1 DAR Design Approach; 1.3.2 Architecture; 1.3.3 Measurement Results; References; 2 Cartesian Feedback with Digital Enhancement for CMOS RF Transmitter; 2.1 Introduction; 2.2 CFB Loop; 2.3 CFB Digital Part Implementation; 2.3.1 Phase Estimation; 2.3.1.1 "atan"-Based Architecture; 2.3.1.1.1 LUT-Based Architecture; 2.3.1.1.2 CORDIC-Based Architecture; 2.3.1.2 "Modulo" Function Implementation; 2.3.2 Vector Rotation; 2.3.2.1 LUT and Multipliers Solution; 2.3.2.2 CORDIC-Based Solution; 2.3.3 Subtraction; 2.3.4 Improvement of CFB CORDIC-Based Architecture 2.3.4.1 Modification of the CFB Algorithm2.3.4.2 New Architecture; 2.4 Analog Part Implementation; 2.5 Linearized Transmitter Results; 2.6 Power Consumption and Size Considerations; 2.7 Conclusion; References; 3 Transmitter Linearity and Energy Efficiency; 3.1 Introduction; 3.2 The PA Design Problem; 3.3 A Reverse Design Approach; 3.3.1 PA Operating Modes; 3.3.2 What Does "Gain" Mean When Nonlinear?; 3.3.3 Apparent Linearity: Output Signal Accuracy; 3.3.4 Stage Series Resistance; 3.4 Output Power Control; 3.5 OBO Elimination; 3.6 Stabilities: Circuit, Thermal, and Manufacturing 3.6.1 Stability of the Circuit3.6.2 Stability Over Temperature; 3.6.3 Stability Across Manufacturing; 3.7 Aging; 3.8 Categorizing C-mode Operation; 3.9 Conclusion; References; 4 mmW Doherty; 4.1 Introduction; 4.2 Doherty Amplifier; 4.2.1 Doherty Structure; 4.2.2 Nonidealities in Doherty Structure; 4.3 mmW Doherty Amplifiers; 4.3.1 Silicon Transistors in mmW Doherty Structure; 4.3.2 Passive Components in mmW Doherty Structure; 4.3.3 Other Techniques; References; 5 Reliable Power Amplifier; 5.1 Introduction; 5.2 Effect of CMOS Technology Scaling on Thermal Management 5.3 Metal Interconnects Electromigration5.4 Time-Dependent Dielectric Breakdown (TDDB); 5.5 Hot Carrier Injection; 5.5.1 DC Model; 5.5.2 RF Model; 5.6 Electrostatic Static Discharge; 5.6.1 Human Body Model; 5.6.2 Machine Model; 5.6.3 Charged Device Model; 5.6.4 ESD Protection; 5.7 Voltage Standing Wave Ratio; 5.8 Power Amplifier Design for Reliability; 5.8.1 Mission Profile Analysis; 5.9 Intrinsically Robust Design; 5.10 Self-Healing Design; 5.11 Conclusion; References; 6 Efficiency Enhancement for THz Power Amplifier; 6.1 Introduction 6.2 Power Amplifier Performance Trade-offs Toward THz Operation |
| Record Nr. | UNINA-9910816140603321 |
|
Kerhervé Eric
|
||
| Oxford, England : , : Academic Press, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mikrowellen-schaltverstärker in GaN- und GaAs-technologie : designgrundlagen und Komponenten / / vorgelegt von Diplom-Ingenieur Jens Flucke
| Mikrowellen-schaltverstärker in GaN- und GaAs-technologie : designgrundlagen und Komponenten / / vorgelegt von Diplom-Ingenieur Jens Flucke |
| Autore | Flucke Jens |
| Edizione | [1. Auflage.] |
| Pubbl/distr/stampa | Göttingen, [Germany] : , : Cuvillier Verlag, , 2010 |
| Descrizione fisica | 1 online resource (108 pages) : illustrations |
| Disciplina | 621.381325 |
| Collana | Innovationen mit Mikrowellen und Licht : Forschungsberichte aus dem Ferdinand-Braun-Institut Leibniz-Institut für Höchstfrequenztechnik |
| Soggetto topico |
Microwave amplifiers
Power amplifiers |
| ISBN | 3-7369-3304-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | ger |
| Record Nr. | UNINA-9910794959803321 |
|
Flucke Jens
|
||
| Göttingen, [Germany] : , : Cuvillier Verlag, , 2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mikrowellen-schaltverstärker in GaN- und GaAs-technologie : designgrundlagen und Komponenten / / vorgelegt von Diplom-Ingenieur Jens Flucke
| Mikrowellen-schaltverstärker in GaN- und GaAs-technologie : designgrundlagen und Komponenten / / vorgelegt von Diplom-Ingenieur Jens Flucke |
| Autore | Flucke Jens |
| Edizione | [1. Auflage.] |
| Pubbl/distr/stampa | Göttingen, [Germany] : , : Cuvillier Verlag, , 2010 |
| Descrizione fisica | 1 online resource (108 pages) : illustrations |
| Disciplina | 621.381325 |
| Collana | Innovationen mit Mikrowellen und Licht : Forschungsberichte aus dem Ferdinand-Braun-Institut Leibniz-Institut für Höchstfrequenztechnik |
| Soggetto topico |
Microwave amplifiers
Power amplifiers |
| ISBN | 3-7369-3304-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | ger |
| Record Nr. | UNINA-9910820475903321 |
|
Flucke Jens
|
||
| Göttingen, [Germany] : , : Cuvillier Verlag, , 2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Wideband GaN microwave power amplifiers with class-G supply modulation / / Nikolai Wolff
| Wideband GaN microwave power amplifiers with class-G supply modulation / / Nikolai Wolff |
| Autore | Wolff Nikolai <1971-> |
| Pubbl/distr/stampa | Göttingen : , : Cuvillier Verlag, , 2019 |
| Descrizione fisica | 1 online resource (171 pages) |
| Disciplina | 621.381325 |
| Collana | Innovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik |
| Soggetto topico | Microwave amplifiers |
| ISBN | 3-7369-8931-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910793206703321 |
|
Wolff Nikolai <1971->
|
||
| Göttingen : , : Cuvillier Verlag, , 2019 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Wideband GaN microwave power amplifiers with class-G supply modulation / / Nikolai Wolff
| Wideband GaN microwave power amplifiers with class-G supply modulation / / Nikolai Wolff |
| Autore | Wolff Nikolai <1971-> |
| Pubbl/distr/stampa | Göttingen : , : Cuvillier Verlag, , 2019 |
| Descrizione fisica | 1 online resource (171 pages) |
| Disciplina | 621.381325 |
| Collana | Innovationen mit Mikrowellen und Licht. Forschungsberichte aus dem Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik |
| Soggetto topico | Microwave amplifiers |
| ISBN | 3-7369-8931-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910820814703321 |
|
Wolff Nikolai <1971->
|
||
| Göttingen : , : Cuvillier Verlag, , 2019 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||