Arno Bücken. "A LOCAL AREA TREE SPECIES CLASSIFICATION." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th SGEM International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration And Mining (2018): 535-542. https://doi.org/10.5593/sgem2018v/1.5/s03.066