TY - CPAPER AU - Mitchell Begelman AU - Brian O'Shea AU - Alexander Heger AU - T. Abel BT - AIP CY - Santa Fe (New Mexico) DO - 10.1063/1.2905669 PB - AIP PP - Santa Fe (New Mexico) PY - 2008 T2 - AIP TI - Did Supermassive Black Holes Form by Direct Collapse? ER -