00782nam0-22003011i-450-99000050963040332120081124170629.088-7056-930-6000050963FED01000050963(Aleph)000050963FED0100005096320020821d1987----km-y0itay50------baitaenga-------001yyManuale del DosPeter NortonMilanoJackson©1987430 p.ill.24 cmInformaticaMicroelaboratoriSistema operativo005.446Norton,PeterITUNINARICAUNIMARCBK99000050963040332110 C 197740 DEEDINELDINELUNINA