Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 1 > 154-158
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 8 > 1971-1974
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 20 > 6266-6269
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 22 > 6757-6760