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Ravelin (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ravelin" in English language version.

refsWebsite
Global rank English rank
1books.google.com
3rd place
3rd place

books.google.com

  • Fa & Finlayson (2006). The Fortifications of Gibraltar 1068–1945. Osprey Publishing. p. 25. ISBN 978-1846030161. Retrieved 30 March 2013.