WASET
    E. F. Ochulor and  S. O. Adeosun and  S. A. Balogun,  Effect of Gating Sprue Height on Mechanical Properties of Thin Wall Ductile Iron.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 98(2). 360 - 367
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10001952.