TY  - JOUR
T1  - Further Observations on the Optical Phenomena of Crystals. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 3
SP  - 455
EP  - 456
PY  - 1830/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1830.0273
M3  - doi:10.1098/rspl.1830.0273
AU  - Talbot, H.
ER  -