IAWQ/IWSA Joint Specialist Group on Particle Separation International Conference on The Role of Particle Characteristics in Separation Processes (4th : 1996 : Hebrew University of Jerusalem)
sponsored by the International Association on Water Pollution Research (IAWRP), the South African National Committee for IAWRP, in collaboration with the Israeli National Committee for IAWRP ; organized by the Conference Division of the Council for Scientific and Industrial Research (CSIR) on behalf of the sponsors
International Specialised Conference on the Sewer as a Physical, Chemical and Biological Reactor (1994 : Ålborg, Denmark) (May 1994 : Aalborg, Denmark)