TY - BOOK AU - Spellman, Frank R. TI - Hand book of : water and wastewater treatment plant operations SN - 9781420075304 U1 - 628.162 PY - 2009/// CY - Boca Raton PB - CRC Press, Taylor & Francis Group KW - Environmental protection engineering KW - Sanitary and municipal engineering KW - Treatment N1 - Includes bibliographical references and index; Technical Book Source ER -