TY  - BOOK
AU  - Kupchella, Charles E.
AU  - Hyland, Margaret C.
TI  - Environmental science: Living within the systems of nature
SN  - 0205117236
U1  - 577.4 K98E 
PY  - 1989///
CY  - Boston
PB  - Allyn and Bacon
KW  - Ecology, Pollution environmental aspects, Human ecology
ER  -