TY  - JOUR
T1  - A Discourse Concernimg Gravity, and Its Properties, Wherein the Descent of Heavy Bodies, and the Motion of Projects is briefly, but Fully Handled: Together with the Solution of a Problem of Great Use in Gunnery. By E. Halley
JF  - Philosophical Transactions (1683-1775)
VL  - 16
SP  - 3
EP  - 21
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1686.0002
M3  - doi:10.1098/rstl.1686.0002
AU  - Halley, E.
ER  -