1. Colour Generation and Control in Glass;Bamford,1977
2. Cobalt aluminate blue;Hackman,1988
3. Colouring effects of synthetic inorganic cobalt pigments in fast-fired porcelainises tiles;Monari;Ceram. Eng. Sci. Proc.,1996
4. Optical absorption of divalent cobalt in binary alkali borate glasses and its relation to the basicity of glass;Paul;Phys. Chem. Glasses,1968
5. Relative stability of ceramic pigments;Eppler;Ceram. Eng. Sci. Proc.,1997