TY  - BOOK
AU  - Kupchella, Charles E.
TI  - Environmental Science :Living Within the System of Nature /Charles E. Kupchella and Margaret C. Hyland
SN  - 0132827409
U1  - 577KUP 
PY  - 1993///
CY  - New Jersey
PB  - Prentice-Hall
KW  - HUMAN ECOLOGY
ER  -