00997nam a2200289 i 450099100103500970753620020507105427.0970307s1964 us ||| | eng b1016439x-39ule_instLE00641051ExLDip.to Fisicaita53.3.153.3.13539.721QC721Sakurai, Jun John42607Invariance principles and elementary particles /J.J. SakuraiPrinceton, NJ :Princeton University Press,1964x, 326 p. :ill. ;25 cm.Investigations in physics ;10Invariants.b1016439x17-02-1727-06-02991001035009707536LE006 53.3.1 SAK12006000048804le006-E0.00-l- 02020.i1020011327-06-02Invariance principles and elementary particles188916UNISALENTOle00601-01-97ma -engus 01