TY  - BOOK
AU  -  Mara,D.Duncan
ED  -  International Bank for Reconstruction and Development.
TI  -  Appropriate sanitation alternatives for low-income communities : :  a brief introduction / 
PY  - 1982///
CY  -  Washington D. C. : 
PB  -  The World Bank, 
KW  -  Water- supply
KW  -  Sanitation
N1  -  Includes bibliography : p. 49-50
ER  -