00319nam a2200109 a 450000500170000002000150001708200220003210000200005424500770007426000400015130000180019120251203091327.0  a0876921322  a658.4032,bD, wie  aWiest, Jerome D  aA management guide to PERT / CPM : with GERT/PDM/DCPM and other networks  aDelhibPrentice-Hall of Indiac1985  ax, 229p, 22cm