technical manual Operator's Manual For Howitzer, Medium, Self-Propelled: 155-MM, M109 (2350-00-440-8811) ; 155-MM, M109A1 (2350-00-485-9662) ; 155-MM, M109A3 (2350-01-031-8851) world war 2 fact files Self-propelled anti-tank and anti-aircraft guns / [by] Peter Chamberlain and John Milsom Nashorn: self-propelled tank destroyer German army eastern front, 1943-1945 / Dennis Oliver
