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Optik - International Journal for Light and Electron Optics > 2018 > 171 > C > 552-556
Journal of Luminescence > 2016 > 176 > C > 266-271
Optik - International Journal for Light and Electron Optics > 2018 > 171 > C > 552-556
Journal of Luminescence > 2016 > 176 > C > 266-271