Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 1 > 93-96
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 16 > 4513-4516
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 18 > 5378-5382
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 19 > 5837-5841