1. 1. R. Noorani, Rapid Prototyping—Principles and Applications, John Wiley & Sons, 2006
   2. S. Ashley, ―Rapid prototyping systems,‖ Mechanical Engineering, vol. 113, no. 4, p. 34, 1991.
   3. A. Kochan, ―Rapid growth for rapid prototyping,‖ Assembly Automation, vol. 17, no. 3, pp. 215–217, 1997.
   4. J. Flowers and M. Moniz, ―Rapid prototyping in technology education,‖ Technology Teacher, vol. 62, no. 3, pp. 7, 2002
   5.  C. K. Chua, S. M. Chou, S. C. Lin, K. H. Eu, and K. F. Lew, ―Rapid prototyping assisted surgery planning,‖ International Journal of Advanced Manufacturing Technology, vol. 14, no. 9, pp. 624–630, 1998.
   6.  T. Wohlers, ―Additive Manufacturing Advances,‖ Manufacturing Engineering, vol. 148, no. 4, pp. 55–56, 2012. [7] T. Wohlers, Wohlers Report 2011, Wholers Associates, 2011.
   7.  T. Grimm, User’s Guide to Rapid Prototyping, Society of Manufacturing Engineers, 2004.
   8. T. Bhardwaj, P. Jain, D. Singh, ―Experimental study on dimensional accuracy of freeform fabricated thermoplastic polyurethane,‖ IOP Conference Series: Material Science and Engineering, vol. 1136, pp. 012060, 2020.
   9. T. Bhardwaj, M. Shukla, ―Effect of Scan Direction on Tensile properties and Fractography of Laser Additive Manufactured Maraging Steel,‖ Material Today: Proceedings, vol. 18, pp. 3842-3848, 2019.
   10. T. Bhardwaj, M. Shukla, C.P. Paul, K.S. Bindra, ―Direct energy deposition-laser additive manufacturing of titanium-molybdenum alloy: Parametric studies, microstructure and mechanical properties,‖ Journal of Alloys and Compounds, vol. 787, pp. 1238-1248, 2019.