UC-90号潜艇 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "UC-90号潜艇" in Chinese language version.

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archive.org

Herzog，第91頁. Herzog, Bodo. Deutsche U-Boote 1906–1966. Erlangen: Karl Müller Verlag. 1993. ISBN 3-86070-036-7.

uboat.net

Helgason, Guðmundur. WWI U-boat commanders: Justus Oldekop. German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. [2015-01-20].
Helgason, Guðmundur. WWI U-boats: UC 90. German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. [2009-02-23].

worldcat.org

Tarrant，第174頁. Tarrant, V. E. The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. 1989. ISBN 978-0-87021-764-7. OCLC 20338385.