Hamm, J.; Kohler, C. G.; Gur, R. C.; Verma, R. «Automated Facial Action Coding System for dynamic analysis of facial expressions in neuropsychiatric disorders». Journal of Neuroscience Methods, 200, 2, 2011, pàg. 237–256. DOI: 10.1016/j.jneumeth.2011.06.023. PMID: 21741407.
Hamm, J.; Kohler, C. G.; Gur, R. C.; Verma, R. «Automated Facial Action Coding System for dynamic analysis of facial expressions in neuropsychiatric disorders». Journal of Neuroscience Methods, 200, 2, 2011, pàg. 237–256. DOI: 10.1016/j.jneumeth.2011.06.023. PMID: 21741407.