Keywords: B11-21 2.jpg own 2008-12-09 W Kurth PD-user-w Eas4200c f08 aero kurth en wikiversity Original upload log en wikiversity 11-21+2 jpg wikitable - 2008-12-09 16 55 462×501× 20920 bytes Eas4200c f08 aero kurth Multicell section with stringers Own work 2008-12-09 W Kurth Public Domain none Uncategorized 2016 February 27 |