@misc{indiciaec03bb694a9ca,
  title = {C-statistic fitting routines: User's manual and reference guide},
  author = {Nousek, John A. and Farwana, Vida},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910010423},
  note = {Source identifier: 19910010423}
}