TY  - BOOK
AU  - Turk,Amos
AU  - Wittes,Janet T.
TI  - Ecology pollution evironment
U1  - 614.7 
PY  - 1972///
CY  - 
PB  - Saunders Company.
KW  - CONTAMINACION AMBIENTAL
KW  - MEDIO AMBIENTE
N1  - Indice
ER  -