Sources: 

Bishop, Chris. The Encyclopedia of Weapons of World War II, 1998.

World War II Infantry Anti-Tank Tactics By Gordon L. Rottman
 
Encyclopedia of Military Technology and Innovation By Stephen Bull

https://visualcollector.com/VisualCollectorLinks/MortarsMines.htm

https://www.militaryfactory.com/smallarms/detail.asp?smallarms_id=48