Kruger, Lawrence (2003). "Edward Tyson's 1680 Account of the 'Porpess' Brain and its Place in the History of Comparative Neurology". Journal of the History of the Neurosciences. 12 (4): 339–349. doi:10.1076/jhin.12.4.339.27915. PMID15069865. S2CID23830465.
Kruger, Lawrence (2003). "Edward Tyson's 1680 Account of the 'Porpess' Brain and its Place in the History of Comparative Neurology". Journal of the History of the Neurosciences. 12 (4): 339–349. doi:10.1076/jhin.12.4.339.27915. PMID15069865. S2CID23830465.
Kruger, Lawrence (2003). "Edward Tyson's 1680 Account of the 'Porpess' Brain and its Place in the History of Comparative Neurology". Journal of the History of the Neurosciences. 12 (4): 339–349. doi:10.1076/jhin.12.4.339.27915. PMID15069865. S2CID23830465.