au.\*:("SCHMIDT NG")
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GEOPHYSICAL METHODS OF PROSPECTING AND PROGNOSTIC VALUATION OF IRON DEPOSITS IN THE U.S.S.R.KRUTIKHOVSKAYA ZA; SCHMIDT NG; KISELYOV MI et al.1969; GEOL. SURV. CANADA, ECON. GEOL. REP.; CAN; 1969(5), NUM. 0026, P. 363 A 370Miscellaneous
