00825nam0-22002771i-450-99000104780040332120070123114455.0000104780FED01000104780(Aleph)000104780FED0100010478020001205d1965----km-y0itay50------baengFI--------101yyProceedings of the VAASA summer school in theoretical physicsJune 16-24, 1965, HelsinkiHelsinkiResearch Institute for Theoretical Physics1965Scuole di fisica530.143ITUNINARICAUNIMARCBK99000104780040332122B-0265101FI1FI1Proceedings of the VAASA summer school in theoretical physics341119UNINA