@misc{indiciaefeaad9d5902b,
  title = {Mercury trapped ion frequency standard for space applications},
  author = {Tjoelker, R. L. and Chung, S. and Glaser, R. and Hamell, R. and Maleki, L. and Prestage, J. D. and Raouf, N. and Radey, T. and Sprague, G. and Tucker, B. and Young, B.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20060031499},
  note = {Source identifier: 20060031499}
}