TY  - JOUR
T1  - The Band Spectrum Associated with Helium
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 91
IS  - 631
SP  - 432
EP  - 439
PY  - 1915/07/01/
UR  - http://dx.doi.org/10.1098/rspa.1915.0034
M3  - doi:10.1098/rspa.1915.0034
AU  - Nicholson, J.
ER  -