00521nam a2200157Ia 4500003000900000008004100009020001800050040001600068080002600084100002100110245010500131260005000236300001000286650004100296650002600337IN-BaIIA211028s9999    xx            000 0 eng d  a0-88318-200-9  cIIA Library  a539.124:524(063)bPOS  aBurns, Michael L 0aPositron-Electron pairs in astrophysicscMichael L Burns                                              aNew YorkbAmerican Institute of Physicsc1983  a447p.  aAstronomy and astrophysics thesaurus  aHigh energy astronomy