University of Tehran Press Journal of the Earth and Space Physics 2538-371X 34 3 2008 10 22 A review on the theory of electromagnetic exploration methods A review on the theory of electromagnetic exploration methods 27390 FA Journal Article 1970 01 01 Maxwell’s equations Impedance tensor Tipper vector Anisotropy https://jesphys.ut.ac.ir/article_27390_3c9d5b01c1d8decfe04a28f8c8c98a1c.pdf