Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 1 > 272-275
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 1 > 154-158
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 2 > 799-804
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 11 > 2647-2651
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 11 > 2608-2611