TY - BOOK AU - Culp,Gordon L. AU - Culp,Russell L. TI - New Concepts in Water Purification T2 - Van Nostrand Reinhold environmental engineering series SN - 0442217811 U1 - 628.16 22 PY - 1974/// CY - New York PB - Van Nostrand Reinhold Co. KW - Water KW - Purification N1 - Includes bibliographical references ER -