Sign theory at work : the mental imagery debate revisitedIssajeva, JelenaSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 584-596 : ill https://doi.org/10.12697/SSS.2015.43.4.13 https://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS