TY  - BOOK
AU  - Kupchella,Charles E.
AU  - Hyland,Margaret C.
TI  - Environmental science: living within the system of nature 
SN  - 0205085202
PY  - 1986///
CY  - Boston
PB  - Allyn and Bacon
KW  - Ecology
KW  - Environmental sciences
N1  - Includes bibliographies and index
ER  -