1. M. Stein and J. Mayers , Compressive Buckling of Simply Supported Curved Plates and Cylinders of Sandwich Construction , NACA TN 2601 , 1952 .
2. M. E. Raville , Analysis of Long Cylinders of Sandwich Construction Under Uniform External Lateral Pressure , U.S. Department of Agricuiture, Forest Products Lab. Report No. 1844 , 1954 .
3. M. E. Raville , Buckling of Sandwich Cylinders of Finite Length Under Uniform External Lateral Pressure, U.S. Department of Agriculture , Forest Products Lab, Report No. 1844-B, 1955, Ph.D. Dissertation , University of Wisconsin , 1955 .