TY  - BOOK
AU  - SPELLMAN, Frank R
TI  - Handbook of water and wastewater treatment plant operations
U1  - 628.16 S63H 
PY  - 2003///
KW  - WATER TREATMENT PLANTS - HANDBOOKD, MANUALS ETC
KW  - SEWAGE - PURIFICATION - HANDBOOKS, MANUALS E
KW  - WATER TREATMENT PLANTS - HANDBOOKD, MANUA
ER  -