TY  - BOOK
AU  - Wanner, J., ed.
AU  - Grau, P., ed.
TI  - Water science and technology. V.25, Nos. 4-6: design & operation of large wastewater treatment plants /ed. by J. Wanner, P. Grau
U1  - 628.1605 
PY  - 1992///
CY  - Oxford
PB  - Pergamon
ER  -