Die Wende im Ubootkrieg

Ursachen und Folgen 1939-1943

By Brennecke, Jochen
(The turn of the tide in the U-boat war: Causes and consequences 1939-1945)
1991, Weltbild-Verlag, Augsburg
ISBN 3453036670
573 pages, 49 b&w photos, 2 maps
book is in German language

Descripton: A well-researched book analyzing the reasons behind the defeat of the U-boats.