TY  - JOUR
T1  - An Account of the Double Refractions in Crystals; By Father John Beccaria, Professor of Experimental Philosophy at Turin
JF  - Philosophical Transactions (1683-1775)
VL  - 52
SP  - 486
EP  - 490
PY  - 1761/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1761.0079
M3  - doi:10.1098/rstl.1761.0079
AU  - Beccaria, J.
ER  -