TY  - BOOK
AU  - Kaufmann, Robert K., Cutler J. Cleveland
TI  - Environmental Science
SN  - 978-0-07-110196-7
AV  - GE 105  .K386 2008
PY  - 2008///
CY  - Boston
PB  - Mcgraw hill
KW  - 1. Environmental sciences---textbooks 2.Nature---effects of human beings
ER  -