TY - BOOK AU - Zohdy,Adel A.R. ED - United States TI - Use of Dar Zarrouk curves in the interpretation of vertical electrical sounding data U1 - 622.154 PY - 1974///. CY - Washington: PB - United States Government Printing Office, KW - Electric prospecting N1 - Conduct diagr.: two-layer DZ charts with DZ curves having a common origin or a common asymptote; Includes bibliographical references (p. D40-D41) N2 - Dar Zarrouk curves are used to define the limits of equivalence for multilayer sections, to improve fit between theoretical geological and observed VES curves, and to incorporate geological and geophysical constraints in interpreted geoelectrical models ER -