00673nam0-22002531i-450-99000050966040332120031023163010.0000050966FED01000050966(Aleph)000050966FED0100005096620020821d1989----km-y0itay50------baitay-------001yyPS 2 e PC IBM guida del programmatoreP. Norton, R. WiltonMilanoMondatori1989Norton,PeterWilton,RichardITUNINARICAUNIMARCBK99000050966040332110 F III 82898 DEEDINELDINELUNINA