TY  - JOUR
T1  - The Threshold of Vision for Different Coloured Lights
JF  - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934)
VL  - 216
SP  - 91
EP  - 128
PY  - 1916/01/01/
UR  - http://dx.doi.org/10.1098/rsta.1916.0003
M3  - doi:10.1098/rsta.1916.0003
AU  - de W. Abney, W.
AU  - Watson, W.
ER  -