Wanner, Dennis Rural water supply in East africa: proceedings of a workshop held at the University College, Dar es Salaam 17-19 December 1969 - Dar es Salaam: University of Dar es Salaam, 1970 - xii,189p.: ill.; 33cm. Subjects--Topical Terms: Water supplyAfrica EastCongresses LC Class. No.: BOT HD107.D36