TY - RPRT TI - Programs TRANS-HCLOOP and TRANS-HZWIRE: calculation of transient horizontal coplanar loop soundings and transient wire-loop soundings AU - Walter L. Anderson PY - 1979 DO - 10.3133/ofr79590 UR - https://pubs.usgs.gov/publication/ofr79590 ID - ofr79590 ER -