NACA research memorandum RM (series). L51I04a. Investigation at transonic speeds of effects of thickness ratio and of thickened root sections on aerodynamic characteristics of wings with 47° sweepback, aspect ratio 3.5, and taper ratio 0.2 in slotted test section of Langley 8-foot high-speed tunnel [with list of references]; by Ralph P. Bielat, Daniel E. Harrison, and Domenic A. Coppolino.