Fig. 2From: A colour assessment methodology for oak woodClustering of 108 specimens based on the L*, C* and h ab values measured with spectrophotometers: a Konica Minolta with 8-mm aperture, b Labscan with 25-mm aperture; visual assessment (60 % of the observers considered) is indicated: pinkish specimens have dots, brownish specimens have no dotsBack to article page