M. Khalid Imran and  Syed Masood and  Milan Brandt and  Sudip Bhattacharya and  Jyotirmoy Mazumder,  Parametric Investigation of Diode and CO2 Laser in Direct Metal Deposition of H13 Tool Steel on Copper Substrate.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 1524 - 1529
    [viewed 09 May 2021]. Available from: https://publications.waset.org/pdf/8686.