International conference on groundwater resources management, AIT, Bangkok, Thailand, November, 5-7, 1990 - Proceedings
International conference on groundwater resources management, AIT, Bangkok, Thailand, November, 5-7, 1990 - Proceedings
Report of the Intergovernmental Meeting on the SPREP Action Plan, Noumea, New Caledonia, 24-28 September 1990
Report of the Intergovernmental Meeting on the SPREP Action Plan, Noumea, New Caledonia, 24-28 September 1990
Report of the fifth Consultative Meeting of Research and Training Institutions, Suva, Fiji, 25-29 June 1990
Report of the fifth Consultative Meeting of Research and Training Institutions, Suva, Fiji, 25-29 June 1990