WASET
    Todor Penchev and  Dimitar Karastojanov and  Ivan Altaparmakov,  Briquetting of Metal Chips by Controlled Impact: Experimental Study.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 91(7). 751 - 754
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10003624.