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Geophysical and Geochemical Exploration  1987, Vol. 11 Issue (4): 314-317    DOI:
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CHARACTERISTICS OF EELEC-TROMAGNETIC FIELD IN HIGH-ABSORPTION AREA AND SELECTION OF WOR-KING FREOUNCY FOR ELEC-TROMAGNETIC WAVE METHOD IN DRILL HOLE
Sun Jianguo
Teaching and Retearch Section of Logging, Changchun College of Geology
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