GEOPOLYMERIC POTENTIAL OF THE ESTONIAN OIL SHALE SOLID RESIDUES: PETROTER SOLID HEAT CARRIER RETORTING ASH.Published in:Oil Shale, 2016, v. 33, n. 4, p. 373, doi. 10.3176/oil.2016.4.05By:PAAVER, PEETER;PAISTE, PÄÄRN;KIRSIMÄE, KALLEPublication type:Article