Effect of organic matter content and type of mineral matter on the oil yield from oil shalesJohannes, Ille; Luik, Hans; Bojesen-Koefoed, Jorgen; Tiikma, Laine; Vink, Natalia; Luik, LeaOil shale2012 / p. 206-221 : ill https://www.researchgate.net/publication/274439293_Effect_of_organic_matter_content_and_type_of_mineral_matter_on_the_oil_yield_from_oil_shales