Qian Wang and  Sylvain Lassalle and  Antony R. Mileham and  Geraint W. Owen,  Analysis of Production Loss on a Linear Walking Worker Line.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 454 - 458
    [viewed 28 January 2022]. Available from: https://publications.waset.org/pdf/1937.