TY  - BOOK
AU  - Watson, E.R.
TI  - Colour in relation to chemical constitution
U1  - 547.86 21st ed.
PY  - 1918///
CY  - Bombay
PB  - Longmans, Green
KW  - Color
KW  - Dyes and dyeing-Chemistry
N1  - 181-97 includes index
ER  -