TY  - JOUR
T1  - On an Inequality of Long Period in the Motions of the Earth and Venus. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 3
SP  - 108
EP  - 113
PY  - 1830/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1830.0062
M3  - doi:10.1098/rspl.1830.0062
AU  - Whewell, W.
AU  - Lubbock, J.
ER  -