Assessing the geochemical variability of oil shale in the Attarat Um Ghudran deposit, JordanVoolma, Margus; Soesoo, Alvar; Puura, Väino; Hade, Sigrid; Aosaar, HardiEstonian journal of earth sciences2016 / p. 61-74 : ill http://dx.doi.org/10.3176/earth.2016.06 Chemical composition of the mineral matter of the Attarat Um GhudranAosaar, Hardi; Puura, Väino; Soesoo, Alvar; Voolma, Margus; Hade, SigridInternational Symposium "Oil shale 100 years" : Estonia, Sept. 20-23, 2016 : [abstracts]2016 / p. 26 Chemical composition of the mineral matter of the Attarat Um Ghudran oil shale, Central JordanPuura, Väino; Soesoo, Alvar; Voolma, Margus; Hade, Sigrid; Aosaar, HardiOil shale2016 / p. 18-30 : ill Determination of the calorific value and moisture content of crushed oil shale by LIBSAints, Märt; Paris, Peeter; Tufail, Iram; Jõgi, Indrek; Aosaar, Hardi; Riisalu, Hella; Laan, MattiOil shale2018 / p. 339-355 : ill https://doi.org/10.3176/oil.2018.4.04 http://www.kirj.ee/public/oilshale_pdf/2018/issue_4/OS-2018-4-339-355.pdf Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Petrography and mineralogy of the Attarat Um Ghudran oil shale, Central JordanPuura, Väino; Soesoo, Alvar; Voolma, Margus; Konsa, Mare; Aosaar, HardiOil shale2017 / p. 110-128 : ill http://www.ester.ee/record=b1072685*est http://dx.doi.org/10.3176/oil.2016.1.02