• 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 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 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
  • 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 https://artiklid.elnet.ee/record=b2868183*est https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-85063186558&origin=inward&txGid=0f9cb8230cbad74cfdda15e593790d8d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000450718100004
  • 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