TY  - BOOK
ED  - Water Environment Federation
TI  - Biofilm reactors
T2  - WEF manual of practice
SN  - 9780071737074 (hbk.)
PY  - 2011///
CY  - Alexandria, Va., New York
PB  - WEF Press, McGraw Hill
KW  - Sewage
KW  - Purification
KW  - Fixed-film biological process
N1  - Includes bibliographical references and index
ER  -