(i) Report of the United Nations Water Conference, Mar del Plata, 14-25 March 1977 , E/Conf. 70/29, United Nations, New York, 1977.
2.
(ii) Earthscan, Press Briefing Doc. no 22, Water and Sanitation for All, Earthscan, London, 1980 .
3.
(iii) Surveillance and Control of Acute Diarrhoeal Diseases, EURO 44, WHO/EURO , 1981.
4.
(iv) Rapid Assessment of the Situation of Drinking Water and Sanitation in Europe , (W3/62/3) WHO/EURO1981.
5.
(v) Reports and Minutes, World Health Organization Regional Committee for Europe, 31 st Session, Berlin, September 1981.
6.
(vi) Health Aspects of Chemical Safety Interim Document no 1, Emergency Response to Chemical Accidents Interim Document no 3, Progress Report July 1981WHO/EURO, Copenhagen , 1981