00782nam0 2200253 450 00002302320090216120346.0019853956820090216d1992----km-y0itay50------baengUSy-------001yyPi in the skycounting, thinking, and beingJohn D BarrowOxfordClarendon pressc1992XII, 317 p.23 cmPi in the sky23995Astronomia52221Astronomia. Tecniche, procedure, apparecchi, attrezzature, materialiBarrow,John D.07042328ITUNIPARTHENOPE200900216RICAUNIMARC000023023S 522/8S 582DSA2009Pi in the sky23995UNIPARTHENOPE