- Method for improving the quality of middle-heavy shale oil and for increasing commodity output at thermal processing of fuels in the solid heat carrier unitKaidalov, Kirill; Kaidalov, A.; Elenurm, Alfred; Kindorkin, B.; Vereshchaka, S.Oil shale2007 / 4, p. 499-508 : ill https://artiklid.elnet.ee/record=b2376554*est