This WalkAround & InAction booklet covers the German Army "M3 Amphibious Rig" in action and in detail.
This is partial text from the full article (usually with photos) at https://armorama.com/news/m3-amhibious-rig
This is partial text from the full article (usually with photos) at https://armorama.com/news/m3-amhibious-rig