Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 3 > 1303-1306
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 10 > 2295-2301
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 17 > 4663-4667
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 19 > 5776-5779