TY  - GEN
AU  - Silver, Cheryl Simon and Defries, Ruth S.
TI  - One earth, one future: : our changing global environment 
SN  - 9780309046329
U1  - 301.31 
PY  - 1992///
CY  - New Delhi
PB  - Affiliated East-West Press
KW  - Environment
KW  - Pollution
KW  - Ozone layer
KW  - Global warming
KW  - Nature--Effect of human beings on
KW  - Man : Influence on nature
ER  -