1. : Optisches Glas. Katalog, Mainz, 1994
2. Hoya Corporation: Optical Glass/Technical Data. Catalog, Tokyo, 1989
3. : Coatings on Glass. Elsevier, Amsterdam, 1984
4. ; (ed): “Dünnschichtentechnologie”. VDi-Verlag, Düsseldorf, 1987
5. ; : “Ultrasonic precision cleaning of optical components prior to and after vacuum coating”. SPIE-Vol. 652, Proc. Thin Film Technologies II, 1986