TY  - BOOK
AU  - Botkin, Daniel B
ED  -  Keller, Edward A.
TI  - Environmental science : Earth as a living planet
SN  - 0-471-54548-1
U1  - 574.5 
PY  - 1995///
CY  - Canada
PB  - John Wiley and Sons 
KW  - Environmental sciences
KW  - Human ecology
ER  -