{GRB 011121: A Massive Star Progenitor}
Publication information:
{Price}, {Berger}, {Reichart}, {Kulkarni}, {Yost}, {Subrahmanyan}, {Wark}, {Wieringa}, {Frail}, {Bailey}, et al. {GRB 011121: A Massive Star Progenitor}. \apjl. 2002;572:L51-L55. doi:10.1086/341552