{The Massive Progenitor of the Possible Type II-Linear Supernova 2009hd in Messier 66}
Publication information:
{Elias-Rosa}, {Van Dyk}, {Li}, {Silverman}, {Foley}, {Ganeshalingam}, {Mauerhan}, {Kankare}, {Jha}, {Filippenko}, et al. {The Massive Progenitor of the Possible Type II-Linear Supernova 2009hd in Messier 66}. \apj. 2011;742:6. doi:10.1088/0004-637X/742/1/6