Research in modern aquaculture : Proceedings of the 3rd Status Seminar held from April 27 to May 1,1987 Plaza Hotel, Tiberias, Israel under the auspices of the German-Israel under the auspices of the Gernan-Israeli Cooperation in Science and Technology. - Rosenthal, Harald; Sarig, Shmuel (European Aquaculture Society (Special Publication No. 18) European Aquaculture Society : Special publications No.11, 1990)