Heebink, T. B. (Thomas Bruce), 1914-, 1894- Norris, and Forest Products Laboratory (U.S.). Supplement To: Buckling of Stiffened, Flat, Plywood Plates In Compression : A Single Stiffener Perpendicular to Stress. Face Grain of Plywood At 45 Degrees to Its Edges. : Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1962.