Vern S. Poythress, “Information-theoretic Confirmation of Semiotic Structures (PDF), in Semiotica 2013/193 (Feb., 2013): 67–82, ISSN (Online) 1613-3692, ISSN (Print) 0037-1998, DOI: 10.1515/sem-2013-0004. Published online 2013-02-22. Used with permission. Used with permission.
