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1. |
Record Nr. |
UNINA9910700971403321 |
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Autore |
Brown Kay E |
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Titolo |
Child fatalities from maltreatment [[electronic resource] ] : national data could be strengthened : testimony before the Subcommittee on Human Resources, Committee on Ways and Means, House of Representatives / / statement of Kay E. Brown |
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Pubbl/distr/stampa |
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[Washington, D.C.] : , : U.S. Govt. Accountability Office, , [2011] |
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Descrizione fisica |
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1 online resource (6 pages) |
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Collana |
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Testimony ; ; GAO-11-811T |
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Soggetti |
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Children - Mortality - United States |
Child abuse - United States |
Children - Wounds and injuries - United States |
Statistics. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from PDF title screen (viewed Sept. 1, 2011). |
"For release ... July 12, 2011." |
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Nota di bibliografia |
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Includes bibliographical references. |
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2. |
Record Nr. |
UNISA996279749003316 |
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Titolo |
ANSI/IEEE Std 802.12, 1998 IEEE Standard for Information technology-- telecommunications and information exchange between systems-- local and metropolitan area networks-- specific requirements-- : part 12 : demand-priority access method, physical layer and repeater specifications / / Institute of Electrical and Electronics Engineers |
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Pubbl/distr/stampa |
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New York, N.Y. : , : IEEE, , 1998 |
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ISBN |
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Edizione |
[First edition.] |
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Descrizione fisica |
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1 online resource (xix, 429 pages) : illustrations |
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Disciplina |
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Soggetti |
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Computer network protocols |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references. |
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Sommario/riassunto |
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The media access control characteristics for the demand-priority access method are specified. The layer management, physical layers, and media that support this access method are also specified. Layer and sublayer interface specifications are aligned to the ISO Open Systems Interconnection Basic Reference Model and ISO/IEC 8802 models. Specifications for 100 Mb/s operation over 100 /spl Omaga/ balanced cable (twisted-pair) Categories 3 through 5, 150 /spl Omaga/ shielded balanced cable, and fibre-optic media are included. Optional implementation of redundant links to facilitate automatic recovery of network connectivity in case of link or repeater failure anywhere in the network path is specified. Rules for connecting redundant links within a network are defined. |
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