TY  - BOOK
AU  - Kupchella,Charles E.
AU  - Hyland,Margaret C.
TI  - Environmental science: living within the system of nature 
SN  - 0205117236
AV  - QH541 .K86 1989
U1  - 363.7 
PY  - 1989///
CY  - Boston
PB  - Allyn and Bacon
KW  - Environmental science Ecology Human ecology Pollution
KW  - Environmental aspects
N1  - Includes index
ER  -