TY  - BOOK
AU  - DeFries, Ruth S.
AU  - Silver, Cheryl Simon
TI  - One earth one future: our changing global environment
SN  - 8185336695
U1  - 577.27 21st ed.
PY  - 1991///
CY  - New Delhi
PB  - Affiliated East - West Press
KW  - Ecology
KW  - Environmental policy
KW  - Global warming
KW  - Man - Influence on nature
KW  - Pollution
ER  -