TY - JOUR T1 - The Xanthophyll Group of Yellow Colouring Matters JF - Proceedings of the Royal Society of London (1854-1905) VL - 72 SP - 165 EP - 176 PY - 1903/01/01/ UR - http://dx.doi.org/10.1098/rspl.1903.0035 M3 - doi:10.1098/rspl.1903.0035 AU - Schunck, C. ER -