TY - BOOK AU - Spellman,Frank R. TI - Handbook of water and wastewater treatment plant operations SN - 1566706270 PY - 2003/// CY - Boca Raton PB - Lewis Publ. KW - Water treatment plants KW - Handbooks, manuals, etc KW - Sewage disposal plants KW - Water KW - Purification KW - Sewage ER -