1. Power calculations for the Style-30 (Sheets design) and other intraocular lenses;Axt;CLAO J,1983
2. Dioptrienzahl Künsticher Augenlinsen;Binkhorst;Klin Monatsbl Augenheilkd,1973
3. Calculation of the power of an iris clip lens for distant vision;Colenbrander;Br J Ophthalmol,1973
4. Minimizing postoperative refractive error;Gills;Contact and Intraocular Lens Med J,1980