Federal Ministry for Research and Technology of the Federal Republic of Germany

Germany, F.Ministry f, 1980. Report of the international symposium on waste-water technology for developing countries, Nuclear Research Centre, Karlsruhe, Federal Republic of Germany, 18-28 November 1980, Nairobi, Kenya: UNEP, United Nations Environment Programme. Available at: https://fr.ircwash.org/sites/default/files/72UNEP80-1173.pdf.