African Water Technology Exhibition '90

London, G.B.Internatio, Newsletter, W.Industry I. & 90, A.Water Tech, 1990. Water in Africa - the next decade : 4th African Water Technology Conference, 20-22 February 1990, Kenyatta International Conference Centre, Nairobi, Kenya, S.l.: International Conferences and Exhibitions. Available at: http://fr.ircwash.org/sites/default/files/71-WIIN90-7552.pdf.