TY  - JOUR
T1  - On the Contact of Conics with Surfaces
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 160
SP  - 289
EP  - 308
PY  - 1870/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1870.0016
M3  - doi:10.1098/rstl.1870.0016
AU  - Spottiswoode, W.
ER  -