TY - JOUR T1 - On Certain Changes Which Appear to Have Taken Place in the Positions of Some of the Principal Fixed Stars JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 113 SP - 529 EP - 540 PY - 1823/01/01/ UR - http://dx.doi.org/10.1098/rstl.1823.0033 M3 - doi:10.1098/rstl.1823.0033 AU - Pond, J. ER -