TY  - JOUR
T1  - An Extension of the Balmer Series of Hydrogen and Spectroscopic Phenomena of Very Long Vacuum Tubes
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 97
IS  - 687
SP  - 455
EP  - 470
PY  - 1920/08/03/
UR  - http://dx.doi.org/10.1098/rspa.1920.0046
M3  - doi:10.1098/rspa.1920.0046
AU  - Wood, R.
ER  -
