Effect of different temperature-time combinations in kerogen pyrolysis to thermobitumen and oilÅ arajeva, Galina; Luik, Lea; Luik, Hans2014 proceedings of Second International Conference On Advances in Applied Science and Environmental Engineering : 20-21 December, 2014, Kuala Lumpur, Malaysia2014 / p. 40-47 : ill Effect of different temperature-time combinations in kerogen pyrolysis to thermobitumen and oilÅ arajeva, Galina; Luik, Lea; Luik, HansInternational journal of environmental engineering2015 / p. 174-181 : ill http://seekdl.org/nm.php?id=5785