LXIX.—The effect of additional auxochromes on the colour of dyes. Part II. Triphenylmethane and azo-dyes

Praphulla Chandra Ghosh, Edwin Roy Watson
1917 Journal of the Chemical Society Transactions  
doi:10.1039/ct9171100815 fatcat:p36skkbrr5dldhpxkjty3lb3fy