TY  - JOUR
T1  - A New Method of Deducing a First Approximation to the Orbit of a Comet from Three Geocentric Observations. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 1
SP  - 489
EP  - 490
PY  - 1800/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1800.0296
M3  - doi:10.1098/rspl.1800.0296
AU  - Ivory, J.
ER  -
