TY  - BOOK
AU  - Nehal, Bernard J.
AU  - Kormondy, Edward J.
TI  - Environmental Science:  the way the world works 
U1  - 574.5 
PY  - 1981///
CY  - Englewood Cliffs
PB  - Pretiee - Hall
KW  - Ecology -
KW  - Ecology - effects of human on ecology - Pollution -
N1  - Includes bibliographical references, index, glossary and appendixes
ER  -