WASET
    W. Assaad and  D. Wilmink and  H. R. Pasaribu and  H. J. M. Geijselaers,  The Onset of Ironing during Casing Expansion.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2018, vol. 137(5). 562 - 570
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10009076.