TY - RPRT TI - Implications of the Observed Ultraluminous X-Ray Source Luminosity Function AU - Swartz, Douglas A. AU - Tennant, Allyn AU - Soria, Roberto AU - Yukita, Mihoko PY - 2012 UR - https://ntrs.nasa.gov/citations/20120004023 ID - 20120004023 ER -