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Optik - International Journal for Light and Electron Optics > 2015 > 126 > 19 > 1861-1864
Optical and Quantum Electronics > 2014 > 46 > 9 > 1107-1116
Optik - International Journal for Light and Electron Optics > 2015 > 126 > 19 > 1861-1864
Optical and Quantum Electronics > 2014 > 46 > 9 > 1107-1116