000 00258 a2200109 4500
080 _a535.6
_bA 153 C
245 1 _aColour measurement and mixture
_cby W.D.W. Abney
260 _c1891
650 _aColour Measurement
100 1 _aAbney, W.D.W.
_d
901 _a386
999 _c26081
_d26081