@conference{2074,
  author = {Mitchell Begelman and Brian O'Shea and Alexander Heger and T. Abel},
  title = {Did Supermassive Black Holes Form by Direct Collapse?},
  year = {2008},
  journal = {AIP},
  publisher = {AIP},
  address = {Santa Fe (New Mexico)},
  doi = {10.1063/1.2905669},
}