TY  - BOOK
AU  - Enger, Eldon D.
AU  - Smith, Bradley F.
TI  - Environmental science: a study of interrelationships 
SN  - 0072304952 [hardbound]
PY  - 2000///
CY  - New York
PB  - McGraw - Hill
N1  - Contents: Part 1 Inter relatedness -- Part 2 Ecological principles and their application -- Part 3 Energy -- Part 4 Human influences on ecosystem -- Part 5 Pollution and policy
ER  -