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From Mitchell to Carus : fourteen years of logical graphs in the makingBellucci, Francesco; Pietarinen, Ahti-VeikkoTransactions of the Charles S. Peirce Society2016 / p. 539-575 http://dx.doi.org/10.2979/trancharpeirsoc.52.4.02

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Peirce and the unity of the propositionBellucci, FrancescoTransactions of the Charles S. Peirce Society2014 / p. 201-219

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

Residuation in existential graphsHaydon, Nathan Joseph; Pietarinen, Ahti-VeikkoDiagrammatic Representation and Inference : 12th International Conference, Diagrams 2021, Virtual, September 28–30, 2021 : proceedings2021 / p. 229−237 https://doi.org/10.1007/978-3-030-86062-2_21 Conference Proceedings at Scopus Article at Scopus Conference Proceedings at WOS 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 http://dx.doi.org/10.12697/SSS.2015.43.4.13 http://www.ester.ee/record=b1331700*est

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