TY - RPRT TI - Measuring the orthogonality error of coil systems AU - B. Heilig AU - A. Csontos AU - K. Pajunpaa AU - Tim White AU - B. St. Louis AU - D. Calp PY - 2012 UR - https://pubs.usgs.gov/publication/70045147 ID - 70045147 ER -