TY  - BOOK
AU  - CHARLES H SOUTHWICK
TI  - ECOLOGY AND THE QUALITY OF OUR ENVIRONMENT
SN  - 0 442 27921 3
U1  - GN574.52 SQ 89E 
PY  - 1976///
CY  - NEW YORK
PB  - D.VAN NOSTRAND COMPANY
KW  - ECOLOGY AND THE QUALITY OF OUR ENVIRONMENT
N1  - S.S.DHAKAD
ER  -