@misc{indiciae5bf39887746a,
  title = {VLSI binary updown counter},
  author = {Truong, Trieu-Kie and Hsu, In-Shek and Reed, Irving S.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900012209},
  note = {Source identifier: 19900012209}
}