@misc{indiciaec99cfe7d25e1,
  title = {Nulling Hall-Effect Current-Measuring Circuit},
  author = {Sullender, Craig C. and Vazquez, Juan M. and Berru, Robert I.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930000071},
  note = {Source identifier: 19930000071}
}