TY  - BOOK
AU  - Enger,Eldon D.
AU  - Smith,Bradley F.
TI  - Environmental science: a study of interrelationships 
PY  - 2008///
CY  - Boston
PB  - McGraw-Hill higher Education
KW  - Environmental science
KW  - Study and teaching
N1  - Includes appendices, glossary, and index
ER  -