TY  - JOUR
T1  - On the Radium Content of Basalt
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 84
IS  - 571
SP  - 377
EP  - 379
PY  - 1910/10/21/
UR  - http://dx.doi.org/10.1098/rspa.1910.0082
M3  - doi:10.1098/rspa.1910.0082
AU  - Strutt, R.
ER  -