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南冰洋
,added Category:720 海洋志總論 using HotCat
* [https://web.archive.org/web/20050305215000/http://www.odci.gov/cia/publications/factbook/print/oo.html CIA World Factbook的介绍]
* [http://geography.about.com/library/weekly/aa091500a.htm 五大洋介绍 (英文)]
[[Category:720 海洋志總論]]