Journal of Mining Science

, Volume 29, Issue 6, pp 557–561 | Cite as

Distinguishing coal from the intervening rock

  • A. M. Onishchenko
  • A. V. Ivashev
New Methods and Instruments


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    A. M. Onishchenko, Optimizing Instruments for Monitoring the State of Materials [in Russian], Mashinostroenie, Moscow (1990).Google Scholar
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    A. M. Onishchenko and A. V. Ivashev, “Choosing a pair of informative IR signals for monitoring mine production,” Ugol', No. 6 (1991).Google Scholar
  3. 3.
    A. M. Onishchenko, Methods of Increasing the Accuracy of Instruments with Ionizing-Radiation Sources [in Russian], Izd. Standartov, Moscow (1987).Google Scholar

Copyright information

© Plenum Publishing Corporation 1994

Authors and Affiliations

  • A. M. Onishchenko
  • A. V. Ivashev

There are no affiliations available

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