Increasing oil shale quality for meeting EU environmental requirementsValgma, Ingo; Karu, Veiko; Anepaio, Ain; Väizene, VivikaMining and the Environment 2007 : 8th till 10th November 2007 : Baia Mare, Romania2007 / p. 195-205 : ill

Increasing oil shale quality for meeting EU environmental requirementsValgma, Ingo; Karu, Veiko; Anepaio, Ain; Väizene, VivikaMining and the Environment 2007 : 8th till 10th November 2007 : Baia Mare, Romania2007 / p. 195-205 : ill

Multi criterial modelling of oil shale mining fields : [poster]Valgma, Ingo; Karu, Veiko; Västrik, AireMining and the Environment 2007 : 8th till 10th November 2007 : Baia Mare, Romania2007 / p. 225 : ill

Multi criterial modelling of oil shale mining fields : [poster]Karu, Veiko; Västrik, Aire; Valgma, IngoMining and the Environment 2007 : 8th till 10th November 2007 : Baia Mare, Romania2007 / p. 225 : ill