DERICIOGLU, A. F., BOCCACCINI, A. R., DLOUHÝ, Ivo, KAGAWA, Y. Effect of Chemical Composition on the Optical Properties and Fracture Toughness of Transparent Magnesium Aluminate Spinel Cerami. Materials Transactions. 2005, 46(5), 996-1003. ISSN 1345-9678. E-ISSN 1347-5320.