TY  - BOOK
AU  - Willrich, Ted L
AU  - Hines, Norman William
AU  - Iowa State University
ED  - Iowa Water Resources Pollution Control and Abatement Seminar
TI  - Water pollution: control and abatement 
AV  - TD 224.I8 I6.1965
PY  - 1967///
CY  - Ames, Iowa
PB  - Iowa State University
KW  - Agua -
KW  - Contaminación -
KW  - Estados Unidos -
KW  - Iowa -
KW  - Congresos
ER  -