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Message * Problemy Zakhoronenii︠a︡ Promotkhodov V Glubokie Gorizonty Zemnykh Nedr Materialy Vtoroĭ Respublikanskoĭ Nauchno-Prakticheskoĭ Konferent︠s︡ii, G. Saratov, 17-20 Senti︠a︡bri︠a︡2001 Goda - 5938880602 - 9785938880603