TY  - GEN
AU  - Vaillant, C.J.
TI  - Simple water treatment processes: with special reference to filtration and disinfection
PY  - 1981///
CY  - Delft
PB  - Int. Inst. for Hydraulic & Env. Eng.
N1  - Publisher: International Institute for Hydraulic & Environmental engineerng
ER  -