Nikolakopoulos, G. K., D. A. Vaiopoulos, and G. A. Skianis. “A Preliminary Approach on the Use of Satellite Hyperspectral Data for Geological Mapping”. Bulletin of the Geological Society of Greece, vol. 40, no. 4, Jan. 2007, pp. 1998-07, doi:10.12681/bgsg.17251.