References
- Schappert-Kimmijser J., Colenbrander A., Franken S. Coding System for Disorders of the Eye. Karger, Basel 1968
- Siertsema J. V., Blanksma L. J., Timmerman Z. Storage and retrieval of slides and angiograms. J. Audiovisual Media Med. 1980; 3: 92–93
- Scheper W., Siertsema J. V., Kooijman A. C. Zeit- und Dat-enangabe photographischer Aufnah-men. Klin. Mbl. Augenheilk. 1978; 172: 912–916
- Walker B. P. Photographic filing systems. Ophthalmic Photography, J. Justice. Brown, Boston 1982; 255–264