00540nam a2200181 a 450000500170000002000150001708200210003210000200005324500560007326000340012930000190016349000360018269000140021896400250023299700180025799900170027595200660029220251203091515.0  a3540516476  a539.721,bD, nac  aNachtmann, Otto  aElementary particle physics: concepts and phenomena  aBerlinbSpringer-Verlagc1990  axix,559p, 24cm  aTexts and monographs in physics  aParticles  bEngc100de010fg_  a55416 LIBSC C  c42587d42587  00104070aPUbPUd1998-04-08l0o539.721, D, nacp55416yBK