TY  - BOOK
AU  - DASGUPTA Ajit K
AU  -  Pearce D W
TI  - Cost-benefit analysis:  Theory and practice.   
U1  - X65291, L8/SC 
PY  - 1972///
CY  - London
PB  - McMillan Press         
N1  - Bibliography: P 254-64
ER  -