- Applied Optics, Vol. 44, Issue 33, pp. 7130-7135 (November 2005)
- Luciano Bartolini, Luigi De Dominicis, Mario Ferri de Collibus, Giorgio Fornetti, Massimiliano Guarneri, Emiliano Paglia, Claudio Poggi, Roberto Ricci
- Applied Optics, Vol. 47, Issue 7, pp. 944-956 (March 2008)
- Grady J. Koch, Jeffrey Y. Beyon, Fabien Gibert, Bruce W. Barnes, Syed Ismail, Mulugeta Petros, Paul J. Petzar, Jirong Yu, Edward A. Modlin, Kenneth J. Davis, Upendra N. Singh