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2. Low-index fluoride glasses for high-power Nd lasers;Weber;Opt. Commun.,1976
3. Thermooptical glasses based on aluminium metaphosphate and barium fluoride;Galant;Fiz. Khim. Stekla/Glass Phys. Chem. (Engl. transl.),1981
4. Fluoroaluminatgläser; Systeme CaF2-AlF3 und MgF2-CaF2-AlF3;Ehrt;Z. Chem.,1982
5. Fluoroaluminatgläser; System CaF2-SrF2-AlF3;Ehrt;Z. Chem.,1983