@misc{indiciae8fa6813ffe79,
  title = {Continuous liquid level measurements with time-domain reflectometry},
  author = {Cruz, J. E. and Rogers, E. H. and Heister, A. E.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740031308},
  note = {Source identifier: 19740031308}
}