• Optimization of power system operation : editor's pageTammoja, HeikiOil shale2013 / p. 193-194 https://artiklid.elnet.ee/record=b2631735*est https://doi.org/10.3176/oil.2013.2S.01 https://www.scopus.com/sourceid/17080 https://www.scopus.com/record/display.uri?eid=2-s2.0-84879157353&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.3176%2Foil.2013.2S.01%29 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=OIL%20SHALE&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000320580200001