Kjer, P. (1959). "Infantile optic atrophy with dominant mode of inheritance; A clinical and genetic study of 19 Danish families". [Tr. from the Danish]. Acta ophthalmologica, 54. Copenhagen: Munksgaard. OCLC 13752952
Thiselton, Dawn L, Christiane Alexander, Alex Morris, Simon Brooks, Thomas Rosenberg, Hans Eiberg, Birgit Kjer, Poul Kjer, Shomi S Bhattacharya, and Marcela Votruba. 2001. "A Frameshift Mutation in Exon28 of the OPA1 Gene Explains the High Prevalence of Dominant Optic Atrophy in the Danish Population: Evidence for a Founder Effect". Human Genetics. 109, no. 5: 498.