TY  - JOUR
T1  - A Diagram to Facilitate the Study of External Ballistics
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 92
IS  - 640
SP  - 329
EP  - 337
PY  - 1916/04/01/
UR  - http://dx.doi.org/10.1098/rspa.1916.0018
M3  - doi:10.1098/rspa.1916.0018
AU  - Dalby, W.
ER  -