TY  - BOOK
AU  - Nebel, Bernard J.
TI  - Environmental scinece: the way the world works
SN  - 0132822032
AV  - QH 541 .N39 1990 
PY  - 1990///
CY  - Englewood Cliffs.
PB  - Prentice Hall
KW  - Ecology
KW  - Human ecology
KW  - Pollution-Environment aspects
ER  -