TY  - GEN
AU  - Markandya , A. ;ed.
AU  - Costanza, C. ;ed.
TI  - Environmental accounting - December 1993: a review of the current database
U1  - 333.7 
PY  - 1993///
CY  - Manila
PB  - United Nations Environment Programme
KW  - ENVIRONMENTAL STATISTICS
KW  - ECOLOGY
KW  - NATURAL RESOURCES
ER  -