• Surface Miner technology impact on the environmentLohk, Martin; Väli, Erik; Tohver, Tarmo; Pastarus, Jüri-Rivaldo5th International Symposium "Topical Problems in the Field of Electrical and Power Engineering". Doctoral School of Energy and Geotechnology : Kuressaare, January 14-19, 20082008 / p. 44-47 : ill