German submarine UD-3 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine UD-3" in English language version.

refsWebsite

Global rank English rank

2,553^rd place

1,888^th place

2dutchsubmarines.com

low place

low place

dutchsubmarines.com

"Dutch Submarines: The O 21 submarine class". dutchsubmarines.com. 2012. Retrieved 28 July 2013.
"Dutch Submarines: The submarine O 25". dutchsubmarines.com. 2012. Retrieved 28 July 2013.

uboat.net

Helgason, Guðmundur. "Foreign U-boats UD-3". German U-boats of WWII - uboat.net. Retrieved 30 April 2015.
Helgason, Guðmundur. "Hermann Rigele". Uboat.net. Retrieved 30 April 2016.
Helgason, Guðmundur. "Joachim Seeger". Uboat.net. Retrieved 30 April 2016.