Moses F. Oduori and  Enoch K. Musyoka and  Thomas O. Mbuya,  Material Selection for a Manual Winch Rope Drum.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 109(1). 129 - 135
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10004377.