P. G. F. Siqueira and  N. G. S. Almeida and  P. M. A. Stemler and  P. R. Cetlin and  M. T. P. Aguilar,  The Design of a Die for the Processing of Aluminum through Equal Channel Angular Pressing.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2020, vol. 159(3). 97 - 100
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10011133.