00781nam0-22002891i-450-9900010105104033213-540-09244-7000101051FED01000101051(Aleph)000101051FED0100010105120000920d1979----km-y0itay50------baengTwistors and ParticlesL.P. HughstonBerlin [etc.]Springer-Verlag1979Lecture notes in physics97Meccanica quantistica530.12Hughston,Lane Palmer47857ITUNINARICAUNIMARCBK99000101051040332122-14811156FI1FI1Twistors and particles192659UNINAING01