TY  - BOOK
AU  - Humenick,Michael J
TI  - Water and wastewater treatment: calculations for chemical and physical processes 
SN  - 0824764854
PY  - 1977///
CY  - New York
PB  - M. Dekker
KW  - Water
KW  - Purification
KW  - Problems, exercises, etc
KW  - Sewage
N1  - Includes bibliographical references and indexes
ER  -