TY  - JOUR
T1  - Exterior Ballistics. (No. 2.)
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 80
IS  - 536
SP  - 140
EP  - 142
PY  - 1908/02/13/
UR  - http://dx.doi.org/10.1098/rspa.1908.0007
M3  - doi:10.1098/rspa.1908.0007
AU  - Forbes, G.
ER  -