TY  - JOUR
T1  - On the Critical Point
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 31
SP  - 194
EP  - 205
PY  - 1880/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1880.0019
M3  - doi:10.1098/rspl.1880.0019
AU  - Ramsay, W.
ER  -