@misc{promiserepo,
  authors =	 "Menzies, T., Krishna, R., Pryor, D.",
  year =	 2015,
  title =	 "The Promise Repository of
                  Empirical Software Engineering
                  Data",
  notes =	 "http://openscience.us/repo.  North
                  Carolina State University,
                  Department of Computer Science"
}