TY - JOUR T1 - On the Laws Which Regulate the Absorption of Polarised Light by Doubly Refracting Crystal JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 109 SP - 11 EP - 28 PY - 1819/01/01/ UR - http://dx.doi.org/10.1098/rstl.1819.0004 M3 - doi:10.1098/rstl.1819.0004 AU - Brewster, D. ER -