TY  - BOOK
AU  - Southwick, Charles  H.
TI  - Ecology and the quality of our environment
U1  - 574.5 
PY  - 1972///
CY  - New Delhi,New York etc
PB  - Van Nostrand Reinhold
KW  - Ecology
KW  - Human ecology
KW  - Pollution
N1  - ENG
ER  -