TY  - BOOK
AU  - Botkin B. Daniel
TI  - Enivronmental science : Earth as a living planet
SN  - 0471157827
AV  - GE105 .B68
PY  - 1998///
CY  - Canada
PB  - John wiley & sons
KW  - Human ecology
KW  - Biological diversity
ER  -