@misc{indiciae9d8794120844,
  title = {Nulling at the Keck Interferometer},
  author = {Colavita, M. Mark and Serabyn, Gene and Wizinowich, Peter L. and Akeson, Rachel L.},
  year = {2006},
  url = {https://ntrs.nasa.gov/citations/20070017411},
  note = {Source identifier: 20070017411}
}