TY  - BOOK
AU  - BOTKIN, DANIEL B
AU  - KELLER, EDWARD A
TI  - Environmental Science: Earth As A Living Planet
U1  - R 628 BOT 
PY  - 1995///
CY  - NEW YORK
PB  - JOHN WILEY AND SONS INC
KW  -  ECOLOGY
KW  - ENVIRONMENTAL SCIENCES
ER  -