梵蒂岡城直升機場 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "梵蒂岡城直升機場" in Chinese language version.

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4web.archive.org

1^st place

1^st place

1forgottenairfields.com

low place

low place

1books.google.com

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31^st place

431^st place

1,112^th place

1theaviationist.com

4,550^th place

5,313^th place

books.google.com

Public Papers of the Presidents of the United States, Jimmy Carter, 1980–1981 2 (24 May to 26 September 1980). National Archives and Records Administration: 1242.

forgottenairfields.com

Ronald V. Vatican City heliport. Abandoned, Forgotten and Little Known Airfields in Europe. 27 April 2013 [2013-12-19]. （原始内容存档于2013-10-04）.

nytimes.com

Povoledo, Elizabeth. With Benedict’s Return, Vatican Experiment Begins. The New York Times (NYTimes.com). 2 May 2013 [2013-12-19]. （原始内容存档于2013-07-12）.

sky.com

news.sky.com

Pope's Reign Ends After Emotional Farewell. Sky News. 1 March 2013 [2013-12-19]. （原始内容存档于2013-03-04）.

theaviationist.com

Tag Archives: Vatican City. The Aviationist. 28 February 2013 [2013-12-19]. （原始内容存档于2013-10-20）.

web.archive.org

Ronald V. Vatican City heliport. Abandoned, Forgotten and Little Known Airfields in Europe. 27 April 2013 [2013-12-19]. （原始内容存档于2013-10-04）.
Povoledo, Elizabeth. With Benedict’s Return, Vatican Experiment Begins. The New York Times (NYTimes.com). 2 May 2013 [2013-12-19]. （原始内容存档于2013-07-12）.
Pope's Reign Ends After Emotional Farewell. Sky News. 1 March 2013 [2013-12-19]. （原始内容存档于2013-03-04）.
Tag Archives: Vatican City. The Aviationist. 28 February 2013 [2013-12-19]. （原始内容存档于2013-10-20）.