Machos in M31? Absence of Evidence but not Evidence of Absence
Machos in M31? Absence of Evidence but not Evidence of Absence, article, July 14, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc875484/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.