XH-39 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "XH-39" in Chinese language version.

refsWebsite

Global rank Chinese rank

1sikorskyarchives.com

low place

low place

1web.archive.org

1^st place

1^st place

1books.google.com

3^rd place

8^th place

books.google.com

Hearst Magazines. Sets Helicopter Record. Popular Mechanics (Hearst Magazines). February 1955: 113.

sikorskyarchives.com

Sikorsky Archives | S-59. [2023-03-05]. （原始内容存档于2021-11-27）.

web.archive.org

Sikorsky Archives | S-59. [2023-03-05]. （原始内容存档于2021-11-27）.