German submarine U-3520 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-3520" in English language version.

refsWebsite

Global rank English rank

2,553^rd place

1,888^th place

uboat.net

Helgason, Guðmundur. "Sarto Ballert". German U-boats of WWII - uboat.net. Retrieved 25 April 2016.
Helgason, Guðmundur. "U-3520". German U-boats of WWII - uboat.net. Retrieved 25 April 2016.