TY - BOOK AU - Kalbermatten,John M. AU - Julius,Denn S. AU - Gunnerson,Charles G. TI - Appropriate technology for water supply and A sanitation : : A sanitation field manual / U1 - 628.407 PY - 1980/// CY - [Place of publication not identified] PB - International bank for reconstruction and development, KW - Engineering KW - Sanitation KW - Water supply KW - sanitary facilities KW - Manuals ER -