A Wide Spectral Range Reflectance and Luminescence Imaging System. - Tapani Hirvonen; Niko Penttinen; Markku Hauta-Kasari; Mika Sorjonen; Kai-Erik Peiponen (Sensors, 2013)

Color and Image Characterization of a Three CCD Seven Band Spectral Camera. - Ana Gebejes; Joni Orava; Niko Penttinen; Ville Heikkinen; Jouni Hiltunen; Markku Hauta-Kasari (ICISP, 2014)