Behaviour of sulfur compounds during aqueous leaching of oil shale ashTamm, Kadriann; Kuusik, Rein, keemik; Uibu, Mai; Kallas, JuhaProceedings of the 4th International Conference on Accelerated Carbonation for Environmental and Materials Engineering : ACEME 2013 : April 9-12, 2013, Leuven, Belgium2013 / p. 541-545 : ill