Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 1 > 13-16
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 11 > 977-980
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 17 > 2764-2766
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 23 > 6250-6254
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 24 > 6519-6522