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Hecla-class survey vessel (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hecla-class survey vessel" in English language version.

refsWebsite
Global rank English rank
1defenceweb.co.za
4,984th place
3,172nd place

defenceweb.co.za

  • "Fact file: Hecla (Protea)-class hydrographic vessel". DefenceWeb.za. Retrieved 6 December 2013.