MLA

Products Laboratory (U.S.), Forest, William J Kommers, and 1894- Norris. Effects of Shear Deformation In the Core of a Flat Rectangular Sandwich Panel : Stiffness of Flat Panels of Sandwich Construction Subjected to Uniformly Distributed Loads Normal to Their Surfaces -- Simply Supported Edges. : Madison, Wis. : U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1962.