00462nam a2200133Ia 4500100001500000942000700015654002000022245003800042260005200080082001800132546001200150999001700162952014900179  aIBM PC...   cBK  anetwork program  aJBM PC local area network program  bInternational business machines coaTexesc1987  a1.644044bIBM  aENGLISH  c27819d27819  001040708CRCaCRCEbCRCEc1521 | 32d2023-03-17eProgressive Booksg357.50iB91129l0o1.644044 IBMp3385r2023-03-17v357.50w2023-03-17yBK