Třída U 81 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Třída U 81" in Czech language version.

refsWebsite
Global rank Czech rank
6th place
10th place
low place
522nd place

archive.org

  • U81 submarines (1916) [online]. Navypedia.org [cit. 2021-03-22]. Dostupné online. (anglicky)