TY  - BOOK
AU  - KRUTILLA John V
AU  -  FISHER Anthony C
TI  - Economics of Natural Environments:  Studies in the   
SN  - 0915707195
U1  - X:271:(G:55).73.N9, M5/TD 
PY  - 1985///
CY  - Washington
PB  - Resources for the future       
ER  -