Oefenprojectiel 37 x 222 R M51B1 voor Amerikaans kanon Oefenprojectiel 37 x 222 R M51B1 voor Amerikaans kanon Service of the piece : 105-MM howitzer self-propelled - USA Armored Force Field Manual, FM 17-63 afv/weapons profile Illustrated summary of German self-propelled weapons 1939-1945 / by Peter Chamberlain and Hilary L. Doyle bellona handbook summary of the self-propelled weapons of the German army 1939-45 / compiled by P. Chamberlain and H. L. Doyle wehrmacht illustrated Panzer-jäger : German self-propelled anti-tank guns, 1939-1945 / [by] Peter Chamberlain and Chris Ellis; drawings by Kenneth M. Jones world war 2 fact files Self-propelled anti-tank and anti-aircraft guns / [by] Peter Chamberlain and John Milsom