Natural organic colouring matters
Perkin, Arthur George
Natural organic colouring matters - London: Longmans Green and Co., 1918 - xxii, 655p.
Chemical technology
Tannins Indole group
667.2 / E8
Natural organic colouring matters - London: Longmans Green and Co., 1918 - xxii, 655p.
Chemical technology
Tannins Indole group
667.2 / E8