Sinclair, R.S.
Numerican problems in colour physics : for A.S.D.C. students - Bradford Society of Dyers & Colourists 1971 - 60 p.
535.6(076) / S5
Numerican problems in colour physics : for A.S.D.C. students - Bradford Society of Dyers & Colourists 1971 - 60 p.
535.6(076) / S5