TY  - BOOK
AU  - Mancy, Khalil H.,
AU  - Havens, John,
AU  - Austin, J. H.,
AU  - Pohland, Frederick George,
AU  - Mccleland, Nina
AU  - Wezernak, C. T.
TI  - Applied chemistry of wastewater treatment
T2  - Programmed learning series
AV  - TD430 M34 1977
PY  - 1977///-9999
CY  - Ann arbor, michigan
PB  - Ann arbor science
KW  - Agua
KW  - Purificacion
KW  - Instruccion programada
KW  - Aguas residuales
ER  -