000 00250 a2200121 4500
082 _a535.6
_bOp7s
245 1 _aTHE SCIENCE OF COLOUR
260 _aN. Y.
_bCrowell
_c1953
300 _a385
650 _aColour
964 _gCIRC
997 _a53611 C
999 _c455048
_d455048