TY  - BOOK
AU  - Kaufmann A.
AU  -  Desbazeille G.
TI  - Critical path method :  Application of the PERT met   
U1  - X:8:(B2893), K9 
PY  - 1969///
CY  - New York
PB  - Gordon and Breach U. S. A.    
KW  - Operational Management
ER  -