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Papers

• Bloom, J. S., ..., Schmidt, B. P., ..., Chevalier, R. A., Wheeler, J. C., et al. 2002, astro-ph/0203391
  Detection of a supernova signature associated with GRB 011121
  ---seems likely that some GRBs originate in Supernovae. They why dol gurn it does the bipolar jet model of supernova polarization not work. Maybe the asymmetry in the ejecta overwhelms any polarization from the jet.