000 00250nam a2200109Ia 4500
999 _c4056
_d4056
100 _aShaffer L R
245 _aCritical Path Method
260 _c1965
_bMcGRAWHILL BOOK CO
_aNew York
300 _axi+216
700 _aRitter J B
_aMeyer W L
942 _cREF