1. Pupilloscopia endottica;Lampis;Zeit. f. d. ges. Ophth.,1935
2. Pupilloscopie entoptique;Viallefont;Arch. d'Opht.,1938
3. The koremetron: An instrument for measuring pupillary diameters;Jones;Jour. Optic. Soc. Amer.,1939
4. Un pupillometre;Broca;Zeit. f. d. ges. Ophth.,1925
5. Mentioned by Kleefeld;Badal;Ann. d'Ocul.,1921