Fig. 5From: Wood discoloration patterns depending on the light sourceInput ratio of colour parameters into total discolouration of woods exposed to artificial light source for irradiation dose of 0.6 Mlx h (a) and maxima observed discolouration (b): I—LED 3000 K, II—LED 6500 K, III—incandescent lamp, IV—fluorescent lamp; S sapwood, H heartwoodBack to article page