Carl H. Popelar
- Dynamic Stability of a Shallow Cylindrical Shells. Dans: Journal of the Engineering Mechanics Division (ASCE), v. 93, n. 3 (juin 1967). (1967):
- Dynamic Stability of Thin-Walled Column. Dans: Journal of the Engineering Mechanics Division (ASCE), v. 98, n. 3 (juin 1972). (1972):
- Assured Upper Bounds via Complementary Energy. Dans: Journal of the Engineering Mechanics Division (ASCE), v. 100, n. 4 (août 1974). (1974):