Improvement of current mining technology in Estonian oil shale minesPastarus, Jüri-Rivaldo; Otsmaa, Merle; Šommet, Julija; Pototski, Aleksander; Kuusik, Rein, keemikProceeding of the V-th International Geomechanics Conference : 18-21 June 2012 International House of Scientists "Fr. J. Curie", Varna, Bulgaria2012 / p. 275-279 : ill

Oil shale ash based backfilling concrete - strength development, mineral transformations and leachabilityUibu, Mai; Somelar, Peeter; Raado, Lembi-Merike; Irha, Natalja; Hain, Tiina; Koroljova, Arina; Kuusik, Rein, keemikConstruction and building materials2016 / p. 620-630 : ill http://dx.doi.org/10.1016/j.conbuildmat.2015.10.197