00521nam a2200169 a 450000500170000002000150001708200210003210000430005324500390009626000240013530000330015969000250019296400190021799700120023699900170024895200860026520251203091722.0  a8185198969  a005.133,bD, DAR  aDarnell, Peter A., Margolis, Philip E.  aC: a software engineering approach  aDelhibNarosac1993  axxi, 622 p,b62 ill., 22 cm.  asoftware engineering  bengcdefg_  a73436 C  c50231d50231  00104070aPUbPUd1998-04-08g150.00l0o005.133, D, DARp73436q1998-07-29yBK