TY - BOOK AU - Reid,Geroge Willard,1917- TI - Appropriate methods of treating water and wastewater in developing countries SN - 0250404133 PY - 1982/// CY - Ann Arbor, Mich. PB - Ann Arbor Science KW - Underdeveloped areas KW - Sanitary engineering N1 - Bibliography : p. 354-389 ER -