TY  - JOUR
T1  - Letter from Professor Hansteen of Christiania, for Mem. R.S
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 8
SP  - 49
EP  - 50
PY  - 1856/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1856.0016
M3  - doi:10.1098/rspl.1856.0016
AU  - Hansteen, P.
ER  -