Combined retorting of oil shale and ligniteSoone, Jüri; Doilov, Svjatoslav; Kaev, Mihhail; Kekiševa, LjudmillaInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 76 http://www.ester.ee/record=b4775098*est

Development of liquification process through thermobitumen stageZaidentsal, Aleksei; Doilov, Svjatoslav; Johannes, Ille; Kaev, Mihhail; Kaidalov, Kirill; Soone, JüriInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 76-77 http://www.ester.ee/record=b4775098*est

Environmentally sustainable use of the energy and chemical potential of oil shaleSoone, Jüri; Riisalu, Hella; Kekiševa, Ljudmilla; Doilov, SvjatoslavOil shale conference "Recent Trends in Oil Shale : Research and Applications" : Amman, Jordan, November 7-9, 20062006 / ? p

Studies of oil shale properties variation in El Lajjun (Jordan) boreholeRiisalu, Hella; Anijalg, Andres; Doilov, Svjatoslav; Kekiševa, Ljudmilla; Muoni, Rein; Soone, JüriInternational Oil Shale Symposium : Tallinn, Estonia, June 8-11, 2009 : future energy solutions : come and share your vision!2009 / p. 99-100 http://www.ester.ee/record=b4775098*est

The compasion of Estonian oil shale thermal treatment process by BAT criteriaSoone, Jüri; Riisalu, Hella; Doilov, Svjatoslav26th Oil Shale Symposium : USA, October 16-18, 2006 : abstracts2006 / ? p