TY  - JOUR
T1  - An Attempt to Determine the Condition in Which Helium and the Associated Gases Exist in Minerals
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 59
SP  - 218
EP  - 224
PY  - 1895/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1895.0078
M3  - doi:10.1098/rspl.1895.0078
AU  - Tilden, W.
ER  -