1. Notes on dental metallurgy;Hepburn,1922
2. A manual on dental metallurgy;Smith,1937
3. A survey of dental alloys;Lane;J Am Dent Assoc,1949
4. Phillips' science of dental materials;Anusavice,1996
5. Corrosion and microstructure of Pro-gold;Sarkar;J Prosthet Dent,1978