TY  - BOOK
AU  - Ganczarczyk,Jerzy J.
TI  - Activated sludge process: theory and practice 
SN  - 0824717589
PY  - 1983///
CY  - New York
PB  - Marcel Dekker
KW  - Sewage
KW  - Purification
KW  - Activated sludge process
N1  - Includes bibliographical references and index
ER  -