Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 1 > 386-388
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 5 > 1667-1670
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 13 > 3299-3302
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 15 > 3886-3890
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 22 > 6733-6738