Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 1 > 97-100
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 19 > 1802-1806
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 24 > 2240-2244