TY  - BOOK
AU  - Costanza Robert Ed.
TI  - Ecological economics:  The science and management o   
SN  - 8121104122
U1  - X:77:(G:55), N1 
PY  - 1991///
CY  - Dehradun
PB  - Bishen Singh Mahendra Pal Singh      
KW  - Economics Development Irt Environment
N1  - Bibliography chapterwise
ER  -