{GRB 010921: Strong Limits on an Underlying Supernova from the Hubble Space Telescope}
Publication information:
{Price}, {Kulkarni}, {Schmidt}, {Galama}, {Bloom}, {Berger}, {Frail}, {Djorgovski}, {Fox}, {Henden}, et al. {GRB 010921: Strong Limits on an Underlying Supernova from the Hubble Space Telescope}. \apj. 2003;584:931–936. doi:10.1086/345734