000
00253nam a2200085Ia 4500
008
150310s9999 xx 000 0 und d
100
_a
RICHARD I LEVIN & CHARLES A KIRKPATRICK
245
_a
PLANNING & CONTROL WITH PERT / CPM
260
_c
1985
_b
TATA MC GRAW HILL
999
_c
9798
_d
9798