Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 6 > 567-574
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 17 > 1605-1609
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 21 > 1955-1958
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 23 > 2140-2143