TY  - JOUR
T1  - Two Cases of Congenital Night-Blindness
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 94
IS  - 657
SP  - 59
EP  - 64
PY  - 1917/12/01/
UR  - http://dx.doi.org/10.1098/rspa.1917.0049
M3  - doi:10.1098/rspa.1917.0049
AU  - de W. Abney, W.
ER  -