@article{Bromberg:2012wC,
  author = "Bromberg, Omer  and  Nakar, Ehud  and  Piran, Tsvi  and  Sari, Re'em",
  title = "{New insights on long GRBs from Collapsars}",
  doi = "10.22323/1.147.0031",
  journal = "PoS",
  year = 2012,
  volume = "Extremesky 2011",
  pages = "031"
}