CHEMICAL COMPOSITION OF THE MINERAL MATTER OF THE ATTARAT UM GHUDRAN OIL SHALE, CENTRAL JORDAN.Published in:Oil Shale, 2016, v. 33, n. 1, p. 18, doi. 10.3176/oil.2016.1.02By:PUURA, VÄINO;SOESOO, ALVAR;VOOLMA, MARGUS;HADE, SIGRID;AOSAAR, HARDIPublication type:Article