German submarine U-872 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-872" in English language version.

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books.google.com

uboat.net

  • Helgason, Guðmundur. "Peter-Otmar Grau". German U-boats of WWII - uboat.net. Retrieved 12 April 2016.
  • Helgason, Guðmundur. "U-872". German U-boats of WWII - uboat.net. Retrieved 12 April 2016.