• 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 https://doi.org/10.3176/earth.2016.06 https://artiklid.elnet.ee/record=b2778896*est https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-84969927142&origin=inward&txGid=1390e043fa6004d53c40bb93e8a20196 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000376670200001
• 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 https://artiklid.elnet.ee/record=b2760695*est https://doi.org/10.3176/oil.2016.1.02 https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-84960145325&origin=inward&txGid=73a6e69d6569db2d86ab947bddd4ac52 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2016 https://www.webofscience.com/wos/woscc/full-record/WOS:000372073200002
• 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 https://doi.org/10.3176/oil.2017.2.02 https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-85027681597&origin=inward&txGid=9202b32a1ae603c55126aaa6719e97a3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000404084900002