Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 15 > 1383-1388
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 17 > 1563-1569
Optik - International Journal for Light and Electron Optics > 2010 > 121 > 22 > 2036-2039