TY - BOOK AU - Martin,E.J. AU - Martin,Edward T. TI - Technologies for small water and wastewater systems T2 - Environmental engineering series SN - 0442238290 AV - TD353 .M37 1991 U1 - 628 MAR 20 PY - 1991/// CY - New York PB - Van Nostrand Reinhold KW - Water-supply engineering KW - General KW - Sewage disposal KW - Appropriate technology N1 - Includes bibliographical references and index ER -