Tysk ubådsklasse XXIII (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tysk ubådsklasse XXIII" in Danish language version.

refsWebsite

Global rank Danish rank

6^th place

12^th place

2,553^rd place

5,046^th place

archive.org

Polmar, Norman; Jurrien Noot (1991). Submarines of the Russian and Soviet Navies, 1718-1990. Naval Institute Press. s. 322. ISBN 0-87021-570-1. >

uboat.net

Helgason, Guðmundur. "U-4711". Uboat.net. Hentet 30. april 2016.