TY - BOOK AU - Droste,Ronald L. TI - Theory and practice of water and wastewater treatment SN - 0471124443 (cloth : alk. paper) U1 - 628.162 22 PY - 1997/// CY - New York PB - J. Wiley KW - Water KW - Purification KW - Sewage N1 - Includes bibliographical references and index UR - http://www.loc.gov/catdir/description/wiley034/96015477.html UR - http://www.loc.gov/catdir/toc/onix05/96015477.html ER -