1. Collapse of tubes by external pressure, Oak Ridge National Laboratory, a report submitted to US Atomic Energy Commission, ORN-TM-166, April;Kennedy,1962
2. Memoirs of an integral case of the problem of elasticity and one of its application;Levy;J Math Pure Appl (Liouville) Ser 3,1884
3. Application of the energy test to the collapse of a long pipe under external pressure;Bryan;Proc Cambridge Phil Soc,1888
4. Instabilities in thin elastic–plastic tubes;Dubey;Int J Solids Struct,1969