Collaboration in water and waste engineering for developing countries 5th WEDC Conference, 22-24 April 1979 proceedings edited by John Pickford & Meryl Murphy - Loughborough WEDC Group, Department of Civil Engineering, University of Technology, Loughborough 1979 - 139p, [4]folded leaves of plates ill., maps 30cm


Water-supply--Developing countries
Sewage disposal--Developing countries

628.1 / 09172 / 4