TY  - JOUR
T1  - A Confusion-Test for Colour-Blindness
JF  - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934)
VL  - 85
IS  - 577
SP  - 81
EP  - 83
PY  - 1912/05/09/
UR  - http://dx.doi.org/10.1098/rspb.1912.0030
M3  - doi:10.1098/rspb.1912.0030
AU  - Burch, G.
ER  -