00254pam a2200097 a 4500020002000000041000500020082001600025100001400041245006400055260003700119  a0-85012-803-Xc  h  a658.05bCOR  aCORDY M.,  aSYSTEMS IN BUSINESS: A PROGRAMMERS GUIDEhTextual Documents  aENGLANDbNCC BLACKWELL LTDc1990