Baltic Mining Waste Management Business DatabaseValgma, Ingo; Karu, VeikoMining Waste Management in the Baltic Sea Region : min-novation project2013 / p. 17-20 : ill

Mining and processing waste management in EstoniaValgma, Ingo; Karu, VeikoMining Waste Management in the Baltic Sea Region : min-novation project2013 / p. 35-43 : ill

Waste from oil shale miningValgma, Ingo; Karu, VeikoMining Waste Management in the Baltic Sea Region : min-novation project2013 / p. 122-129 : ill