TY - GEN TY - GEN T1 - Invariance principles and elementary particles T2 - Investigations in physics A1 - Sakurai, Jun John LA - eng PP - Princeton, NJ PB - Princeton University Press YR - 1964 UL - https://kansalliskirjasto.finna.fi/Record/fikka.215760 OP - 326 KW - Particle (Nuclear physics) KW - Invariants. ER -