1. 5th Int. Conf. on high-energy physics and nuclear structure;Heckman,1975
2. High-energy collisions involving nuclei, Trieste 1974;Steiner,1975
3. 6th Int. Conf. on high-energy physics and nuclear structure;Baldin,1975
4. 6th Int. Conf. on high-energy physics and nuclear structure;Cork,1975
5. 6th Int. Conf. on high-energy physics and nuclear structure;Schroeder,1975