Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2012 > 123 > 18 > 1601-1604
Optik - International Journal for Light and Electron Optics > 2013 > 124 > 16 > 2493-2495
Optik - International Journal for Light and Electron Optics > 2014 > 125 > 18 > 5221-5224