Forstl, H.; Almeida, O.P.; Owen, A.M.; Burns, A.; & Howard, R. (1991). Psychiatric, neurological and medical aspects of misidentification syndromes: a review of 260 cases. Psychological Medicine21 (4) 905–910.[1]
Ellis, H.D.; Whitley, J.; & Luaute, J.P. (1994). Delusional misidentification. The three original papers on the Capgras, Frégoli and intermetamorphosis delusions (Classic Text No. 17). History of Psychiatry5 (17) 117–146.[3]
Passer, K.M. & Warnock, J.K. (1991). Pimozide in the treatment of Capgras' syndrome. A case report. Psychosomatics32 (4) 446–448. [4]