@misc{indiciaef163ce719fe0,
  title = {A Mercury Frequency Standard Engineering Prototype for the NASA Deep Space Network},
  author = {Tjoelker, R. L. and Bricker, C. and Diener, W. and Hamell, R. L. and Kirk, A. and Kuhnle, P. and Maleki, L. and Prestage, J. D. and Santiago, D. and Seidel, D. and Stowers, D. A. and Snydor, R. L. and Tucker, T.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20060036471},
  note = {Source identifier: 20060036471}
}