TY  - BOOK
AU  - Wiest Jerome D.
AU  -  Levy Ferdinand K.
TI  - Management guide to PERT/CPM with GERT/PDM/DCPM an
U1  - X:8:(D6,9(B), K9;L7 
PY  - 1977///
CY  - New Jersey 
PB  - Prentice Hall        
KW  - Management
ER  -