贝尔212 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "贝尔212" in Chinese language version.

refsWebsite

Global rank Chinese rank

2web.archive.org

1^st place

1^st place

5,391^st place

9,275^th place

7,500^th place

5,707^th place

1flightglobal.com

223^rd place

398^th place

flightglobal.com

Goold, Ian. Canada Seeks Helicopter Self Sufficiency. Flight International. November 1987 [14 December 2010]. （原始内容存档于2012-11-04）.

ic.gc.ca

Industry Canada. Bell Helicopter Textron Canada Ltd. - Complete Profile. December 2010 [11 December 2010]. （sbPrtl=&prtl=1&estblmntNo=123456000951&profile=cmpltPrfl&profileId=1421&app=sold&lang=eng 原始内容请检查|url=值 (帮助)存档于1 October 2012）.

ihs.com

janes.ihs.com

"Bell 212" (subscription article). Jane's Helicopter Markets and Systems. Jane's Information Group, 2 April 2013.

web.archive.org

Industry Canada. Bell Helicopter Textron Canada Ltd. - Complete Profile. December 2010 [11 December 2010]. （sbPrtl=&prtl=1&estblmntNo=123456000951&profile=cmpltPrfl&profileId=1421&app=sold&lang=eng 原始内容请检查|url=值 (帮助)存档于1 October 2012）.
Goold, Ian. Canada Seeks Helicopter Self Sufficiency. Flight International. November 1987 [14 December 2010]. （原始内容存档于2012-11-04）.