(Фредерик Диана Л. Средства графического отражения траекторий
боеприпасов калибров .50 и 20 мм при стрельбе «воздух – земля» и «
земля – земля »)
Scientific report. –Philadelphia.: Frankford arsenal. 1973. – 168
p.
This report is a compendium of trajectories in air to ground and
ground to ground role of projectile shapes of possible interest in
cannon caliber ammunition applications. The 20Ж projectiles shapes
are M53, M56 and SAPI. The caliber 50 drag curves are the M2 end
M8.