TY  - JOUR
T1  - Contributions towards the History of the Colouring Matters Derived from Coal-Tar
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 12
SP  - 647
EP  - 648
PY  - 1862/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1862.0139
M3  - doi:10.1098/rspl.1862.0139
AU  - Hofmann, A.
ER  -