C. Gerhard, D. Tasche, O. Uteza, and J. Hermann, Appl. Opt, vol.56, p.7427, 2017.

C. Gerhard, J. Hermann, L. Mercadier, L. Loewenthal, E. Axente et al., Spectrochim. Acta B, vol.101, p.32, 2014.

C. Gerhard, Optics Manufacturing: Components and Systems, 2017.

C. Gerhard, T. Weihs, D. Tasche, S. Brückner, S. Wieneke et al., Plasma Chem. Plasma P, vol.33, p.895, 2013.