TY  - BOOK
AU  - Grady,C.P.
AU  - Lim, Henry C.
TI  - Biological wastewater treatment: theory and publication 
U1  - 628.4 
PY  - 1980///
CY  - New York
PB  - Marcel Dekker
KW  - Pure water
KW  - Bio technology
N1  - Includes index
ER  -