Published in Progress in Water Technology, published by Pergamon Press, Vol 11, no 1, pages 251-258, 1979

American Society of Civil Engineers (ASCE) conference paper 1979

An annual conference paper written with Jeremy Warford, selected by the JOURNAL, The World Bank April 1979

Chapter in Sanitation in Developing Countries, edited by Arnold Pacey, published by John Wiley & Sons (now Wiley), 1978

Reprinted from Appropriate Technology in Water Supply and Waste Disposal,  American Society of Civil Engineers (ASCE), October 1978, with John M Kalbermatten

Article written with J J Warford in Water Supply & Management, Vol 1, published by Pergamon Press, 1977

Part of International Bank for Reconstruction and Development’s International Development Association Energy, Water and Telecommunications Department Public Utilities Notes, March 1977, with J J Warford

Part of International Bank for Reconstruction and Development’s International Development Association Energy, Water and Telecommunications Department Public Guidelines Series, 18th February 1977, with J J Warford