1. W. Johnson, P.B. Mellor, Engineering Plasticity, Van Nostrand Reinhold, London, 1975, pp. 110–114 (Chapter 6).
2. M.C. Shaw, J.P. Avery, Forming Limits-Reliability, Stress Analysis and Failure Prevention Methods in Mechanical Design, ASME Centennial Bound Volume, A Century Publication, 1980, pp. 297–303.
3. A study of barrelling as an example of free deformation;Kulkarni;ASME J. Eng. Ind.,1969
4. Shape changes in the upsetting of slender cylinders;Schey;ASME J. Eng. Ind.,1982
5. Phenomenon of barrelling in aluminium solid cylinders during cold upset forming;Narayanasamy;J. Mater. Process. Technol.,1997