@misc{indiciaeb4c5ed994521,
  title = {A versatile and sensitive balanced magnetic comparator.},
  author = {Baer, J. A. and Heckler, C. H., Jr.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660063889},
  note = {Source identifier: 19660063889}
}