Tooth Enamel: Frontiers in Mineral Chemistry and Biochemistry, Integrative Cell Biology and Genetics Unknown author
GB 5009-63: National Food Safety Standard: Method for analysis of hygienic standard of enamel for food containers Standardization Administration of China (SAC)
ES 234-4: STANDARD METHODS OF TESTING FOR ENAMEL, Part 4: PRODUCTION OF TEST SPECIMENS FOR ALUMINIUM Egyptian Organization for Standardization and Quality (EOS)