Pelton, William H.; Ward, Stanley H.; Hallof, Philip G.; Sill, William R.; Nelson, Philip H. (1978-04-01). "Mineral discrimination and removal of inductive coupling with multifrequency IP". Geophysics. 43 (3): 588–609. Bibcode:1978Geop...43..588P. doi:10.1190/1.1440839.
Pelton, William H.; Ward, Stanley H.; Hallof, Philip G.; Sill, William R.; Nelson, Philip H. (1978-04-01). "Mineral discrimination and removal of inductive coupling with multifrequency IP". Geophysics. 43 (3): 588–609. Bibcode:1978Geop...43..588P. doi:10.1190/1.1440839.