00498nam a2200157Ia 4500003000900000008004100009020001800050040001600068080001600084100001700100245008800117250001200205260004800217300001600265650005900281IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-40739-7  cIIA Library  a539.12bHUG  aHughes, I. S 0aElementary particlescI. S. Hughes                                                   a3rd ed.  aCambridgebCambridge University Pressc1991  axxii, 431p.  aAtomic physics, Elementary particles, Particle physics