@misc{indiciaef88255d4405d, title = {Nonlinear least-squares inversion of frequency-domain induced polarization data (Program NLSIP)}, author = {W.L. Anderson and B. D. Smith}, year = {1986}, doi = {10.3133/ofr86280}, url = {https://pubs.usgs.gov/publication/ofr86280}, note = {Source identifier: ofr86280} }