@misc{indiciae7f46f561674d,
  title = {Microwave/Sonic Apparatus Measures Flow and Density in Pipe},
  author = {Arndt, G. D. and Ngo, Phong and Carl, J. R. and Byerly, Kent A.},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20110016849},
  note = {Source identifier: 20110016849}
}