Extraction of oil from Jordanian Attarat oil shaleTiikma, Laine; Johannes, Ille; Luik, Hans; Lepp, Ardi; Ĺ arajeva, GalinaOil shale2015 / p. 218-239 : ill http://dx.doi.org/10.3176/oil.2015.3.03 https://artiklid.elnet.ee/record=b2740510*est