TY  - BOOK
TI  - Information and Training for Low -Cost Water Supply and Sanitation Participatnts' Notes 1.1 Introduction 
SN  - 821307924
U1  - 628.7016 INF 
PY  - 1986///
CY  - Washington,D.C.
PB  -  The World Bank
KW  - Sanitary engineering.for rural and sparsely populated areas
ER  -