1. ev in : Structure of Glass Cons - Bur ev in : Structure of Glass Cons Bur;Estrop;Am Ceram Soc,1960
2. B Diffusion in Ion - conducting Oxide Glasses Kristallisieren und Schmelzen Leipzig Aggregatzustände nd edn ; Der Glaszustand Voss Leipzig;Wagner;Phys Chem,1930
3. Non - Cryst;Epping;Solids,2005
4. and Diff;Njiokep;Forum,2005
5. Non - Cryst;Imre;Solids,2006