TY  - BOOK
AU  - World Resources Institutes
ED  - World Resources Institutes
TI  - World resources 1990-1991
T2  - "World Resources Institute, Publication"
U1  - "X:271:(G:55), N7/RR" 
PY  - 1997///
CY  - Oxford
PB  - Oxford University Press     
KW  -  Economics
KW  - Natural Resources
ER  -