1. Zur Quanten Theorie der Stralung;Einstein;Phys Zeit,1917
2. Stimulated optical radiation in ruby;Maiman;Nature,1960
3. Laser beam effect on dental hard tissues;Stern;J Dent Res,1964
4. Effect of laser beam impact on teeth;Goldman;J Am Dent Assoc,1965
5. In vivo caries removal utilizing the Nd:YAG laser;Myers;J Mich Dent Assoc,1985