TY  - BOOK
ED  - World Resources Institute.
ED  - United Nations Environment Programme.
ED  - United Nations Development Programme.
TI  - World resources 1990-91: a report 
SN  - 0195062280
U1  - 333.7 
PY  - 1990///
CY  - New York
PB  - Oxford Univ. Press
KW  - Natural resources
KW  - Environmental policy
KW  - Economic policy
KW  - Environmental aspects
N1  - Includes bibliographical references and index
ER  -