RWD 9 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "RWD 9" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

1,349^th place

866^th place

archive.org (Global: 6^th place; English: 6^th place)

Cynk, Jerzy B (1971). Polish aircraft 1893-1939. Putnam. pp. 520-529. ISBN 0-370-00085-4.

illinois.edu (Global: 1,349^th place; English: 866^th place)

m-selig.ae.illinois.edu

Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.