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2. J. P. Singh and R. Singh, Comparison of rapid casting solutions for lead and brass alloys using three dimensional printing, Journal of Mechanical Engineering Sciences (Proc. of IMechE Part C), 223(C9) (2009) 2117–2123.
3. R. Singh and M. Verma, Investigations for reducing wall thickness of aluminium shell casting using three dimensional printing, Journal of Achievements in Materials and Manufacturing Engineering, 31(2) (2008) 565–569.
4. R. Singh, Three dimensional printing for casting applications: A state of art review and future perspectives, Advanced Materials Research, 83–86 (2010) 342–349.
5. V. Singh, Experimental investigations for statistically controlled rapid moulding solution of plastics using Polyjet rapid prototyping, M.Tech. Thesis, Punjab Technical University, Jalandhar (2010).