Die Seehunde: Klein-U-Boote 
Subtitle: letzte deutsche Initiative im Seekrieg, 1939-1945
Publisher: Mittler
Published: 1995
Language: ger
Format: Hardcover
Number of pages: 224
ISBN-13: 9783813204841
Subjects: Submarine; Naval operations, German; World War, 1939-1945; Naval operations