- Optics Express, Vol. 18, Issue 20, pp. 20968-20978 (September 2010)
- Reinhard Voelkel, Uwe Vogler, Andreas Bich, Pascal Pernet, Kenneth J. Weible, Michael Hornung, Ralph Zoberbier, Elmar Cullmann, Lorenz Stuerzebecher, Torsten Harzendorf, Uwe D. Zeitner