• Geotechnical processes and soil-water movement with transport of pollutants in the Estonian oil shale mining areaErg, Katrin; Reinsalu, Enno; Valgma, IngoEnvironment. Technology. Resources : proceedings of the 4th International Scientific and Practical Conference : June 26-28, 20032003 / p. 79-84 : ill
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• Mining block stability prediction by the Monte Carlo methodNikitin, OlegEnvironment. Technology. Resources : proceedings of the 4th International Scientific and Practical Conference : June 26-28, 20032003 / p. 185-190 : ill https://journals.ru.lv/index.php/ETR/article/view/2006