@misc{indiciaed15e27153d95,
  title = {VLSI Architecture Of A Binary Up/Down Counter},
  author = {Hsu, In-Shek and Truong, Trieu-Kie and Reed, I. S.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880000216},
  note = {Source identifier: 19880000216}
}