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2. , , , , and , Russia Patent from 11. 12. 1991.
3. A new photostimulable phosphor: Eu2+-activated bariumbromosilicate (Ba5SiO4Br6)
4. PhD Thesis, Utrecht 1990.
5. Luminescence of Eu2+-activated materials with host lattice M4OX6 (MSr, Ba; XCl, Br)