TY - BOOK AU - Mahida,U.N. TI - Water pollution and disposal of waste water on land SN - 0070965277 : AV - TD420 .M34 1981 PY - 1980///] CY - New Delhi PB - Tata McGraw-Hall KW - Water KW - Pollution KW - Sewage irrigation KW - Sewage disposal KW - Factory and trade waste N1 - Includes bibliographical references and index ER -