1. Demonstration der Nernstspaltlampe;Gullstrand;Ber versamml Ophthal Gesellsch,1911
2. Le corps vitré;Goldmann,1957
3. Zur biomikroscopie des glaskörpers;Goldmann;Ophthalmologica,1954
4. New method of slit-lamp micro-ophthalmoscopy;El Bayadi;Br. J. Ophthalmol.,1953
5. Slit-lamp photography of the fundus by use of aspherical convex preset lens;Kajiura;Jpn. J. Clin. Ophthalmol.,1978