Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 3 > 250-254
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 3 > 219-224
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 19 > 3936-3939
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 20 > 4369-4373
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 20 > 4445-4448
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 21 > 5248-5250
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 22 > 5443-5446