Optik - International Journal for Light and Electron Optics
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 4 > 367-369
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 6 > 490-493
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 11 > 986-990
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 13 > 1159-1163
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 15 > 1388-1391
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 20 > 1848-1850
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 21 > 1885-1889
Optik - International Journal for Light and Electron Optics > 2011 > 122 > 22 > 1978-1980