U-331 (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "U-331" in Catalan language version.

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uboat.net

Helgason, Guðmundur. «Patrol of U-boat U-331 from 2 Jul 1941 to 19 Aug 1941». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «The Type VIIC boat U-331». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «War Patrols by German U-boat U-331». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Patrol of U-boat U-331 from 24 Sep 1941 to 11 Oct 1941». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Patrol of U-boat U-331 from 12 Nov 1941 to 3 Dec 1941». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «HMS Barham (04) (Battleship)». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Kapitänleutnant Freiherr Hans-Diedrich von Tiesenhausen». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Patrol of U-boat U-331 from 14 Jan 1942 to 28 Feb 1942». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Patrol of U-boat U-331 from 4 Apr 1942 to 19 Apr 1942». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Patrol of U-boat U-331 from 7 Nov1942 to 17 Nov 1942». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «USS Leedstown (AP 73) (Troop transport)». [Consulta: 11 gener 2010].
Helgason, Guðmundur. «Ships hit by U-331».

«Report on the interrogation of survivors from U-331». Arxivat de l'original el 5 setembre 2009. [Consulta: 12 gener 2010].

«Report on the interrogation of survivors from U-331». Arxivat de l'original el 5 setembre 2009. [Consulta: 12 gener 2010].

Jason Stevenson. «The Barham Conspiracy». webatomics.com. [Consulta: 11 gener 2010].