The Yugoslav Chairman of the Commission for Scientific and Technological Cooperation, Chairman of the Republican Executive Board for Science of the Socialist Republic of Bosnia and Herzegovina Zvonko Knezevic (left) and the Soviet Chairman of the Soviet-Yugoslav Commission for Scientific and Technological Cooperation, a member of the State Committee for Science and Technology, USSR Council of Ministers, Vsevolod Konyushko sign the documents of the 30th meeting of the Soviet-Yugoslav Commission for Scientific and Technological Cooperation (May 21-27, 1974).