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- Institut po fizika na tvŭrdoto ti︠a︡lo (Bŭlgarska akademii︠a︡ na naukite) (2)
- International School on Coherent Optics and Holography (1)
- International School on Condensed Matter Physics (1)
- Lalov, I. J. (1)
- Savatinova, I. (1)
- Simova, P. (Paraskeva) (1)
- T︠S︡entralna laboratorii︠a︡ za optichen zapis i obrabotka na informat︠s︡ii︠a︡ta (Bŭlgarska akademii︠a︡ na naukite) (1)
- T︠S︡onev, L. (1)