Patra, H. P. Geosounding principles v. 2 : time-varying geoelectric soundings H. P. Patra and K. Mallick - Amsterdam Elsevier 1980 - xv+418p. illus; index - Methods in Geochemistry and Geophysics; No. 14B . ISBN: 0-444-41811-3 Subjects--Topical Terms: Prospecting-geophysical MethodResisitivity Sounding MethodsTime Varying Geoelectric Sound Universal Decimal Class. No.: 550.837.21 / PAT