TY  - BOOK
AU  - Nostrand,John van
AU  - Wilson,James G.
ED  - World Bank.
ED  - United Nations Development Programme.
ED  - International Drinking Water Supply and Sanitation Decade.
TI  - Rural ventilated improved pit latrines: a field manual for Botswana 
PY  - 1983///
CY  - Washington, D.C.
PB  - World Bank
KW  - Toilet facilities
KW  - Botswana
ER  -