Třída U 87 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Třída U 87" in Czech language version.

refsWebsite

Global rank Czech rank

6^th place

10^th place

low place

522^nd place

archive.org

GARDINER, Robert. Conway's All the World's Fighting Ships, 1906–1921. London: Conway Maritime Press, 1985. Dostupné online. ISBN 978-0-85177-245-5. S. 178. (anglicky)

navypedia.org

U87 submarines (1917) [online]. Navypedia.org [cit. 2021-03-22]. Dostupné online. (anglicky)