Jäncke, Lutz; Beeli, Gian; Eulig, Cornelia; Hänggi, Jürgen (March 2009). "The neuroanatomy of grapheme–color synesthesia". European Journal of Neuroscience. 29 (6): 1287–1293. doi:10.1111/j.1460-9568.2009.06673.x. PMID19302164. S2CID2602262.
Rich, A.N.; Bradshaw, J.L.; Mattingley, J.B. (2005). "A systematic, large scale study of synaesthesia: Implications for the role of early experience in lexical-colour associations". Cognition. 98 (1): 53–84. doi:10.1016/j.cognition.2004.11.003. PMID16297676. S2CID2269596.
Jäncke, Lutz; Beeli, Gian; Eulig, Cornelia; Hänggi, Jürgen (March 2009). "The neuroanatomy of grapheme–color synesthesia". European Journal of Neuroscience. 29 (6): 1287–1293. doi:10.1111/j.1460-9568.2009.06673.x. PMID19302164. S2CID2602262.
Rich, A.N.; Bradshaw, J.L.; Mattingley, J.B. (2005). "A systematic, large scale study of synaesthesia: Implications for the role of early experience in lexical-colour associations". Cognition. 98 (1): 53–84. doi:10.1016/j.cognition.2004.11.003. PMID16297676. S2CID2269596.
Jäncke, Lutz; Beeli, Gian; Eulig, Cornelia; Hänggi, Jürgen (March 2009). "The neuroanatomy of grapheme–color synesthesia". European Journal of Neuroscience. 29 (6): 1287–1293. doi:10.1111/j.1460-9568.2009.06673.x. PMID19302164. S2CID2602262.
Rich, A.N.; Bradshaw, J.L.; Mattingley, J.B. (2005). "A systematic, large scale study of synaesthesia: Implications for the role of early experience in lexical-colour associations". Cognition. 98 (1): 53–84. doi:10.1016/j.cognition.2004.11.003. PMID16297676. S2CID2269596.