1. Goldsmith, W.,Impact, Arnold, London (1960).
2. Hopkins, H. G.,On the Impact Loading of Circular Plates Made of Ductile Metal, Division of Applied Mechanics, Brown University, Rept. Da-2598/7 (1953).
3. Bakhshyan, F. A.,Visco-Plastic Flow by Impact of a Cylinder on a Plate (in Russian), Prikl. Mat. Mekh.12, 47 (1948).
4. Kochetkov, A. M.,On the Propagation of Elastic-Viscoplastic Shear Waves in a Plate (in Russian), Prikl. Mat. Mekh.14, 203 (1950).
5. Wierzbicki, T.,Response of Rigid Viscoplastic Circular and Square Plates to Dynamic Loading, Division of Engineering Mechanics, Stanford University, Rept. No. 162 (1966).