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Materials Letters > 2018 > 214 > C > 283-286
Optik - International Journal for Light and Electron Optics > 2016 > 127 > 20 > 9457-9463
Materials Letters > 2018 > 214 > C > 283-286
Optik - International Journal for Light and Electron Optics > 2016 > 127 > 20 > 9457-9463