"International Colloquium on Group Theoretical Methods in Physics (1974 : Nijmegen)" . . . . . . . . . . . "Group theoretical methods in physics : [proceedings] 3rd international colloquium, June 17-21, 1974, Centre de Physique Theorique, CNRS, Marseille"@en . . . . "Conference papers and proceedings"@en . . "Group theoretical methods in physics : 3rd international colloquium, June 17-21, 1974, centre de Physique théorique, CNRS, Marseille. Organized in collaboration with the University of Nijmegen" . "Group theoretical methods in physics [proceedings] 3rd international colloquium, June 17-21, 1974, Centre de Physique Theorique, CNRS, Marseille"@en . . "Proceedings of the 3rd international colloquium on group theoretical methods in physics" . . . "International Colloquium on Group Theoretical Methods in Physics (3rd : 1974 : Marseille)" . . .