00365    a2200145   4500020001500000082001300015100001700028245003400045250001200079260004900091300002100140650002000161650002100181700001700202  a0697076970  a004bGOR  aGore, Marvin  aContemporary systems analysis  a5th ed.  aDubuquebC. Brown Communicationsc1975g1994  axxii,526p.c24cm  aData processing  aComputer science  aStubbe, John