00880nam0 2200253 450 00002303020090216122822.020090216d1981----km-y0itay50------baengITy-------001yyPractical astronomy with your calculatorPeter Duffett-Smith2nd ed.CambridgeUniversity press1981XIII, 185 p.23 cmPractical astronomy with your calculator46085AstronomiaApplicazioni dell\2019elaboratore52221Astronomia. Tecniche, procedure, apparecchi, attrezzature, materialiDuffett-Smith,Peter463384ITUNIPARTHENOPE200900216RICAUNIMARC000023030S 522.028/2S 1100DSA2009Practical astronomy with your calculator46085UNIPARTHENOPE