TY  - BOOK
AU  - Gray,N. F.
AU  - Bell,J. N.B.
TI  - BIOLOGY OF WASTEWATER TREATMENT
SN  - 1860943322
U1  - 628.351 
PY  - 2004///
CY  - 
PB  - Imperial College Press, London
KW  - Sewage -- Purification -- Biological Treatment
KW  - Sewage Disposal
ER  -