@misc{indiciae051e6e53c1ad,
  title = {Measuring the orthogonality error of coil systems},
  author = {B. Heilig and A. Csontos and K. Pajunpaa and Tim White and B. St. Louis and D. Calp},
  year = {2012},
  url = {https://pubs.usgs.gov/publication/70045147},
  note = {Source identifier: 70045147}
}