1.
- Nonrestorative treatment of discolored teeth. Reports from an international symposium : school of dentistry, University of North Carolina at Chapel Hill, Sept. 25-26, 1996 / edit. Harald Heymann. 1997. Vol. 128, April, Special Suppl. - [S.l. : s.n.], 1997 - 64 s.(Journal of the American Dental Association (JADA); Special Suppl.) [1, currently available 0, at library only 1]
- Chapters, articles