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.
