AbrihaD., KovácsZ., NinsawatS., BertalanL., BalázsB., and SzabóS., “Identification of roofing materials with Discriminant Function Analysis and Random Forest classifiers on pan-sharpened WorldView-2 imagery – a comparison”, HunGeoBull, vol. 67, no. 4, pp. 375-392, Dec. 2018.