Applying Peirce in Tallinn and HelsinkiPietarinen, Ahti-VeikkoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2014 / p. 417-420 http://dx.doi.org/10.12697/SSS.2014.42.2-3.13 http://www.ester.ee/record=b1331700*est

C.S. Peirce on the dynamic object of a sign: From ontology to semiotics and backPape, HelmutSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 419-437 ; Comment p. 433-437 https://doi.org/10.12697/SSS.2015.43.4.03 https://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS

Division of signsPeirce, Charles S.; Pietarinen, Ahti-VeikkoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 651-662 : ill https://doi.org/10.12697/SSS.2015.43.4.16 Journal metrics at Scopus Article at Scopus Article at WOS

Exploring Peirce's speculative grammar : the immediate object of a signBellucci, FrancescoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 399-418 https://doi.org/10.12697/SSS.2015.43.4.02 http://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS

Is Euler's circle a symbol or an icon?Moktefi, AmiroucheSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 597-615 : ill https://doi.org/10.12697/SSS.2015.43.4.14 http://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS

Recent studies on signs : commentary and perspectivesPietarinen, Ahti-VeikkoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 616-650 https://doi.org/10.12697/SSS.2015.43.4.15 https://www.ester.ee/record=b1331700*est Journal metrics at Scopus Article at Scopus Article at WOS

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

Signs systematically studied : invitation to Peirce's theoryPietarinen, Ahti-VeikkoSign systems studies = Töid märgisüsteemide alalt = Труды по знаковым системам2015 / p. 372-398 https://doi.org/10.12697/SSS.2015.43.4.01 https://www.ester.ee/record=b4554246*est Journal metrics at Scopus Article at Scopus Article at WOS