000 00264nam a2200109Ia 4500
008 220201s1995 xx 000 0 eng d
100 _aGUPTA R C
245 0 _aCOURCES IN PERT AND CPM
260 _aDELHI
_bDHANPAT RAI AND SONS
_c1995
300 _a282
942 _2ddc
999 _c92494
_d92494