TY  - BOOK
AU  - Levin,Richard, Kirkpatrik,  Charles  A
AU  - x
TI  - Planning  and  control  with  pert: x
SN  - x  
U1  - 658.1/LEP 
PY  - 1966///
CY  - N.Y.
PB  - McGraw-Hill
KW  - Management
ER  -