TY  - BOOK
AU  - Rothenberg, J.
AU  - Heggie, Ian G.
TI  - The management of water quality and the environment: : proceedings of a conference
U1  - 628.53 
PY  - 1974///
CY  - London
PB  - MacMillan
KW  - Agua
KW  - Contaminación
KW  - Purificacion
KW  - Aire
ER  -