1. Oil-bituminous rocks. Perspectives of utilization. The materials of all union conference on complex conversion and utilization oil-bituminous rocks. Nauka. Kazachskaya SSR, Alma-Ata, p.3, 1982.
2. Yakovlev V.I., Chinman R.E., Shpilfogel P.V., Sendjurov M.V. in: Investigation in chemical area and technology of products conversion of fuel minerals. LTI by name Lensovet, v.1, p. 12, 1974.
3. D’Anjou D., Litman R. Radiochemical and Radioanalytical letters, 50, No1, p.37–44, 1983
4. Mustafaev I. I., Yakubov K.M., Gadjiyev Kh.M., Guliyeva N.K. Radioanal. Nucl. Chem. Letters 94/I/1-8, 1985.
5. Mustafaev I. I., Guliyeva N. K. Khimiya Vysokikh Energiy, v 33, No 5, p.354–359, 1999.