TY - GEN AU - Sinclair,R.S. TI - Numerical problems in colour physics SN - (pbk.) AV - TA405 .B39 2003 U1 - 677 PY - 1971/// CY - great britain PB - the society of dyers and colourists, KW - Numerical problems KW - Colouring physics N1 - Includes index ER -