TY  - BOOK
AU  - Knight, Allen W.
AU  - Simmons, Mary Ann.
TI  - Water pollution ; a guide to information sources
T2  - Man and the environment information guide series
U1  - 628.54 
PY  - 1980///
CY  - Detroit, Mich.
PB  - Cale
KW  - Agua
KW  - Contaminacion
KW  - Bibliografia
ER  -