TY  - BOOK
AU  - WANG Z. Y. B. Z.
TI  - LOW-COST AND ENERGY - SAVING WASSTEWATER TREATMENT TECHNOLOGIES 
SN  - 0-08-041158-4
U1  - 628.1 1ST
PY  - 1991///
CY  - NEW YORK
PB  - PERGAMON PRESS 
ER  -