TY  - BOOK
AU  - Johansson Pre-Olov
TI  - Economic theory and measurement of environmental benefits
SN  - 0 521 34810 2
U1  - X: (B), M7/TD3 
PY  - 1987///
CY  - London
PB  - Cambridge University Press        
KW  - Mathematics Economics
N1  - Bibliography P 206-19
ER  -