TY  - JOUR
T1  - An Investigation of Extreme Ultra-Violet Spectra, with a Vacuum-Grating Spectrograph
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 95
IS  - 669
SP  - 258
EP  - 273
PY  - 1919/02/01/
UR  - http://dx.doi.org/10.1098/rspa.1919.0007
M3  - doi:10.1098/rspa.1919.0007
AU  - McLennan, J.
AU  - Lang, R.
ER  -