TY  - BOOK
AU  - Keller Edward A
AU  -  Botkin Daniel B
TI  - Essential environmental science
SN  - 97804717047119 (pbk)
U1  - G:55, P8 
PY  - 2008///
CY  - New Jersey 
PB  - John Wiley & Sons, Inc
KW  -  Environment
KW  -  Environmental science
KW  - Biology
N1  - Appendix 405-409p.; Glossary 410-416p.; Notes 433-454p
ER  -