TY  - JOUR
T1  - Researches on Refraction-Equivalents
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 16
SP  - 439
EP  - 444
PY  - 1867/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1867.0094
M3  - doi:10.1098/rspl.1867.0094
AU  - Gladstone, J.
ER  -