wehrtechnik und wissenschaftliche waffenkunde Paris Kanonen - the Paris guns (Wilhelmgeschütze) and Project HARP : the application of major calibre guns to atmospheric and space research / Gerald V. … Mortier de tranchée Brixia Mod. 35 (calibre 45 mm.) : metallurgica Bresciana già tempini Brescia (Italia) Military small arms of the 20th century : a comprehensive illustrated encyclopedia of the world's small-calibre firearms / Ian V. Hogg and John Weeks
