（原始内容存档于2023-04-19）. The 30 Most Extreme Movies of the 21st Century So Far « Taste of Cinema. [2023-06-05]. （原始内容存档于2023-04-23）. Extreme Cinema - Rape Squad

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cristata. The IUCN Red List of Threatened Species 1996. [2006-05-12]. 请检查|access-date=中的日期值 (帮助) 參看：電視節目：The Most Extreme (4)（英语：The Most Extreme#Season

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[2023-06-30]. （原始内容存档于2023-06-30）（de-DE）. 引文格式1维护：未识别语文类型 (link) The Most Extreme Staircases In The World. HuffPost. 2013-09-10 [2023-06-30]. （原始内容存档于2023-07-01）

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the Farthest Star Ever Seen. NASA. 2018-04-02 [2020-08-31]. （原始内容存档于2020-11-09）. April 2018, Elizabeth Howell 02. Rare Cosmic Alignment Reveals Most

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ISBN 0-9728473-4-0. Stevens, Kate. Freak Nation: A Field Guide to 101 of the Most Odd, Extreme, and Outrageous American Subcultures. Adams Media. 2010: 191. ISBN 1-4405-0646-9

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