弗雷德里克·瓦伦蒂奇失踪事件 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "弗雷德里克·瓦伦蒂奇失踪事件" in Chinese language version.

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5web.archive.org

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3news.google.com

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1adelaidenow.com.au

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adelaidenow.com.au

Kemp, Miles. 'Truth' was out there after all. The Advertiser. 2012-07-06 [2013-10-26]. （原始内容存档于2012-08-14）.

archive.org

Clark, Jerome. The UFO Book: Encyclopedia of the Extraterrestrial. Visible Ink. 1998. ISBN 1-57859-029-9.

csicop.org

Nickell, Joe. The Valentich Disappearance: Another UFO Cold Case Solved. Volume 37.6, November/December 2013. Committee for Skeptical Inquiry. [2014-03-14]. （原始内容存档于2018-12-21）.

news.google.com

UFO Enthusiast Missing After Reporting Craft. Associated Press. 1978-10-10 [2014-03-12]. （原始内容存档于2014-09-19）.
Search for pilot who saw UFO, then disappeared discontinued. United Press International. 1978-10-26 [2014-03-13]. （原始内容存档于2022-04-13）.
After spotting UFO Pilot disappears. United Press International. 1978-10-23 [2014-03-13]. （原始内容存档于2020-11-19）.

web.archive.org

UFO Enthusiast Missing After Reporting Craft. Associated Press. 1978-10-10 [2014-03-12]. （原始内容存档于2014-09-19）.
Nickell, Joe. The Valentich Disappearance: Another UFO Cold Case Solved. Volume 37.6, November/December 2013. Committee for Skeptical Inquiry. [2014-03-14]. （原始内容存档于2018-12-21）.
Search for pilot who saw UFO, then disappeared discontinued. United Press International. 1978-10-26 [2014-03-13]. （原始内容存档于2022-04-13）.
After spotting UFO Pilot disappears. United Press International. 1978-10-23 [2014-03-13]. （原始内容存档于2020-11-19）.
Kemp, Miles. 'Truth' was out there after all. The Advertiser. 2012-07-06 [2013-10-26]. （原始内容存档于2012-08-14）.