TY  - GEN
AU  - UNEP
TI  - Earth audit : : The world environment 1972 to 1992 : where now? 
U1  - 333.7 EAR 
PY  - 1992///
CY  - Nairobi : 
PB  - United Nations Environmental Programme
KW  - Environmental protection
KW  - Conservation of nature
ER  -