M. Lettner, M. Gau, R. Sablatnig, H. Miklas:
"Investigation of Medieval Manuscripts by Multispectral Imaging";
Talk: Electronic Imaging & the Visual Arts, Florence, Italy; 2008-04-16 - 2008-04-18; in: "EVA 2008 Florence Proceedings", (2008), ISBN: 88-371-1725-6; 100 - 105.