Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 2 > 180-183
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 17 > 2686-2690
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 18 > 3470-3475
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 23 > 6074-6080
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 24 > 6661-6665