@article{2583,
  author = {Rosalba Perna and A. MacFadyen},
  title = {Flare-Less Long Gamma-Ray Bursts and the Properties of their Massive Progenitor Stars},
  year = {2010},
  journal = {The Astrophysical Journal},
  volume = {710},
  pages = {L103 - L106},
  month = {02/2010},
  issn = {2041-8205},
  doi = {10.1088/2041-8205/710/2/L103},
}