TY  - JOUR
T1  - The Absorption in Lead of the <latex>$ \gamma $</latex>- Rays Emitted by Radium B and Radium C
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 91
IS  - 630
SP  - 396
EP  - 404
PY  - 1915/06/01/
UR  - http://dx.doi.org/10.1098/rspa.1915.0030
M3  - doi:10.1098/rspa.1915.0030
AU  - Richardson, H.
ER  -