@misc{indiciaec4193e837732,
  title = {Current progress on TPFI nulling architectures at Jet Propulsion Laboratory},
  author = {Gappinger, Robert O. and Wallace, J. Kent and Bartos, Randall D. and Macdonald, Daniel R. and Brown, Kenneth A.},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20060043482},
  note = {Source identifier: 20060043482}
}