Johan Segeborn and  Johan S. Carlson and  Robert Bohlin and  Rikard Söderberg,  Geometry Design Supported by Minimizing and Visualizing Collision in Dynamic Packing.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2007, vol. 7(7). 314 - 321
    [viewed 20 January 2020]. Available from: https://publications.waset.org/pdf/7446.