Biblio

J. Janssens, Pintelon, L., Cotton, A., and Gelders, L., “Tools for the assessment of operation and maintenance status of water supplies”. World Health Organization (WHO), Geneva, Switzerland, p. v, 64 p.: 15 box, 1994.

R. Franceys, Pickford, J., Hutton, L., and Cotton, A., “Watsan 2000 : proceedings of the UNICEF orientation/training workshop for water and sanitation staff : 23-27 July 1990”. Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. 214 p.: drawings, fig., tab., 1991.

J. Pickford and Cotton, A., “Water and waste engineering in Asia : 8th WEDC Conference, 4-5 February 1982 : at the Centre for Environmental Studies, Guindy, Madras, India : proceedings”. Water, Engineering and Development Centre, Loughborough University of Technology, WEDC, Loughborough, UK, p. 163 p.: fig., tab., 1982.