TY  - JOUR
T1  - An Experimental Determination of the Ionisation Potential for Electrons in Helium
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 95
IS  - 671
SP  - 408
EP  - 429
PY  - 1919/04/01/
UR  - http://dx.doi.org/10.1098/rspa.1919.0019
M3  - doi:10.1098/rspa.1919.0019
AU  - Horton, F.
AU  - Davies, A.
ER  -