5A.Akar and E.Ekinci. Production of chemicals from oil shales[J]. Fuel, 1995,74( 8 ) : 1113-1117.
6G.D. Sergeant, J.F. Stubington, D.Barrett, et al.Characteristics of a lubricating oil base stock produced from Rundle shale oil. [J]. Fuel Processing Technology, 1995,41 ( 2 ) : 147-157.