TY  - BOOK
AU  - Lockyer, K.G. 
TI  - An introduction to critical path analysis
U1  - 658.56  
PY  - 1969///
CY  - London
PB  - Sir Isaac Pitman & Sons
KW  -  Critical path analysis.
KW  -  Planning (firm)
KW  - Information systems
ER  -