- Crystallization of calcium carbonate on the basis of oil shale waste ash in a continuous flow disintegrator-reactorVelts, Olga; Kindsigo, Merit; Uibu, Mai; Kallas, Juha; Kuusik, Rein, keemikISIC 19 : 19th International Symposium on Industrial Crystallization : book of abstracts : 16-19 September 2014, Toulouse - France2014 / p. 359-360 : ill