Ventilated improved pit latrines : vent pipe design guidelines /

Bibliographic Details
Main Author: Ryan, Beverley A.
Corporate Authors: United Nations Development Programme, World Bank
Other Authors: Mara, D. Duncan (David Duncan), 1944-
Format: Microform Book
Language:English
Published: Washington, D.C. : The International Bank for Reconstruction and Developmet [sic] /The World Bank, [1983]
Series:TAG technical note ; no. 6.
AT microfiche reference library ; 17-410.
Subjects:
Description
Item Description:Cover title.
"A joint United Nations Development Programme and World Bank Contribution to the International Drinking Water Supply and Sanitation Decade".
Microform.
Physical Description:16 pages : illustrations ; 28 cm.