@misc{indiciae93e41f0bb7e9,
  title = {Digital circuits using universal logic gates},
  author = {Whitaker, Sterling R. and Miles, Lowell H. and Cameron, Eric G. and Donohoe, Gregory W. and Gambles, Jody W.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20080005173},
  note = {Source identifier: 20080005173}
}