TY  - GEN
AU  - Barnes, D. ... [et al.]
TI  - Water and wastewater engineering systems
SN  - 0273011383
PY  - 1981///
CY  - London
PB  - Pitman Pub.
KW  - WATER SUPPLY ENGINEERING
KW  - SEWAGE DISPOSAL
KW  - SEWAGE PURIFICATION
ER  -