TY  - JOUR
T1  - Observations of a Comet, with Remarks on the Construction of Its Different Parts
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 102
SP  - 115
EP  - 143
PY  - 1812/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1812.0007
M3  - doi:10.1098/rstl.1812.0007
AU  - Herschel, W.
ER  -