• 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 https://www.scopus.com/sourceid/17700155437 https://www.scopus.com/record/display.uri?eid=2-s2.0-84994093846&origin=inward&txGid=68d963ef06893350073eb6ce9039b5ee https://www.webofscience.com/wos/woscc/full-record/WOS:000369351800003
• 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 https://www.scopus.com/sourceid/17700155437 https://www.scopus.com/record/display.uri?eid=2-s2.0-84994092860&origin=inward&txGid=1bae920975a53212908ac4f83cb15724 https://www.webofscience.com/wos/woscc/full-record/WOS:000369351800002