an Entity references as follows:
The 5 cm KwK 38 L/42 (5 cm Kampfwagenkanone 38 L/42) was a German 50 mm calibre cannon used as the main armament of variants of the German Sd.Kfz. 141 Panzerkampfwagen III medium tank during the Second World War. (The towed anti-tank gun equivalent was the PaK.37 of which 2,600 were produced from 1937 until 1940).