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
PY  - 1989///]
CY  - Boston
PB  - Allyn and Bacon
KW  - Ecology
KW  - Pollution
KW  - Environmental aspects
KW  - Human ecology
N1  - Includes bibliographical references and index
ER  -