1. 1. Dai-heng Chen, Crush Mechanics of Thin-Walled Tubes, Taylor & Francis Group, LLC, (2016). 
   2. Callister’s Materials Science and Engineering, Second Edition, Wiley India Pvt Ltd, (2014)
   3. S.P. Timoshenko and R.M. Gere, Theory of Elastic Stability, second edition, McGraw-Hill, New York. (1961)
   4. T Y Reddy and E Zhang, Effect of strain Hardening on the behaviour of axially crushed cylindrical tubes, Advances in Engineering Plasticity and its Application, Elsevier Science Publishers B. V. pp 755 – 762, (1993).
   5. A. Otubushin, Detailed Validation of nonlinear finite element code using Dynamic axial crushing of a squareTube, Published by Elsevier Science Ltd. Int. J. Impact Engineering Vol. 21, No. 5, pp. 349 – 368, (1998).
   6. S.R. Reid, Plastic Deformation Mechanism in Axially Compressed Metal tubes used as Impact energy absorbers, Int. J. Mech. Sci. Vol. 35, No. 12, pp. 1035 – 1052, (1993).
   7. Yucheng Liu, Study of Thin-Walled Box Beams Crushing Behaviour Using Ls-Dyna, 11th International LS-DYNA® Users Conference, Vol 13, pp 31 – 40.
   8. Anton Kuznetcov, Igor Telichev, Christine Q. Wu, Effect of Thin-Walled Tube Geometry on Its Crashworthiness Performance, 14th International LSDYNA Users Conference, Vol 1, pp 1 – 12.