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Translated from Atomnaya Énergiya, Vol. 67, No. 2, pp. 145–147, August, 1989.
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Semenov, E.V., Krutova, T.E. & Fedotenkov, S.V. Determination of the lithological type of rocks in a well from the spectrum of scattered γ rays. At Energy 67, 665–668 (1989). https://doi.org/10.1007/BF01125271
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DOI: https://doi.org/10.1007/BF01125271