Wartime report L-370, L-428, L-429, L-434, L-482, L-544, L-583, L-630, L-632, L-634, L-644, L-682. L-682. Boundary-layer transition on N. A. C. A. 0012 and 23012 airfoils in 8-foot high-speed wind tunnel [with list of references]; by John V. Becker.