TY  - GEN
ED  - Water pollution Control Legislation 
TI  - Hearings before the subcommittee on air and water pollution on the committee on public works united states senale, 92 nd congress
PY  - 0000///U. S. Government Printing Office
CY  - Washington, D. C.
PB  - 1971
KW  - Poluição da água
KW  - Poluição do ar
N2  - Indice
ER  -