TY  - BOOK
AU  - Postel,Sandra
TI  - Altering the earth's chemistry: assessing the risks 
SN  - 0916468720 (pbk.)
U1  - 363.7�19 
PY  - 1986///
CY  - Washington, D.C.
PB  - Worldwatch Institute
KW  - Environmental chemistry
KW  - Environmental impact analysis
ER  -