TY  - BOOK
AU  - Bouma, P. J.
AU  - Ouwetljes, J. L.
TI  - PHYSICAL ASPECTS OF COLOUR
U1  - 535.6 
PY  - 1971///
CY  - London
PB  - Macmillan
KW  - Colour
KW  - Colour-Sense
ER  -