By Wang Z-Q.   Zhang H-J.   Fu R-L.   Mu G-G.   Lu Z-W.   Cartwright C.M.   Gillespie W.A.   in Optik – International Journal for Light and Electron Optics

ISSN:0030-4026|113|4|159-162

Urban & Fischer‎(2002)‎

Access to resources Favorite 7.0441036

By Fu R. L.   Agathopoulos S.   in Advances in Applied Ceramics

ISSN:1743-6753|108|6|358-362

Maney Publishing‎(2009)‎

Access to resources Favorite 4.365397