TY  - JOUR
T1  - Two Cases of Congenital Night-Blindness
JF  - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934)
VL  - 90
IS  - 624
SP  - 69
EP  - 74
PY  - 1917/12/01/
UR  - http://dx.doi.org/10.1098/rspb.1917.0022
M3  - doi:10.1098/rspb.1917.0022
AU  - Abney, W.
ER  -