00649nam a2200169Ia 4500003000900000008004100009040001600050080001600066100002100082245018500103260006800288300001500356650004100371650002400412650002100436700002200457IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52-732bGAM  aStecker, Floyd W 0aGamma-ray astrophysicsba symposium held at NASA Goddard Space Flight Center, April 30 May 2,1973cFloyd W Stecker and  Jacob I. Trombka                                              aWashingtonbNational Aeronautics and Space Administrationc1973  axvi, 412p.  aAstronomy and Astrophysics Thesaurus  aGamma-ray astronomy  aGamma-ray bursts  aTrombka, Jacob I.