TY - BOOK TI - Standard Methods for the Examination of Water and Wastewater / prepared and published jointly by American Public Health Association, American Water Works Association, Water Environment Federation SN - 9780875532875 U1 - 628.161 23rd ed. PY - 2017/// CY - Washington, D.C. : PB - American Public Health Association N1 - Includes bibliographical references and index ER -