@misc{indiciaec99c1091adac,
  title = {A Bitvectors Library for PVS},
  author = {Butler, Ricky W. and Miner, Paul S. and Srivas, Mandayam K. and Greve, Dave A. and Miller, Steven P.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/19970001377},
  note = {Source identifier: 19970001377}
}