TY  - BOOK
ED  - World Resources Institute                                                                                                                                                                                                                               . 
ED  - United Nations Environment Programme
ED  - United Nations Development Programme
TI  - World resources 1990-91: A report by the World Resources Institute
SN  - 0195062280
U1  - 333.705 
PY  - 1990///
CY  - Calcutta : 
PB  - Oxford University Press , 
KW  - ENVIRONMENT
N1  - Includes index
ER  -