• Oil shale waste rock aggregate properties which are depending on content of oil shaleTohver, Tarmo9th International Symposium "Topical problems in the field of electrical and power engineering". Doctoral school of energy and geotechnology. II : Pärnu, Estonia, June 14-19, 20102010 / p. 59-62 : ill https://kirjandus.geoloogia.info/en/reference/34154