Bell XV-3 (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bell XV-3" in Russian language version.

refsWebsite

Global rank Russian rank

1hathitrust.org

441^st place

358^th place

hathitrust.org

babel.hathitrust.org

Statement of Dr. John S. Foster, Director, Department of Research and Engineering, Authorization for Military Procurement, Research, and Development, Fiscal Year 1971, pt. 1, p. 421.