Tahsin Toma Sabbagh and  Ihsan Al-Abboodi and  Ali Al-Jazaairry,  Effect of Confinement on the Bearing Capacity and Settlement of Spread Foundations.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 701 - 706
    [viewed 12 December 2019]. Available from: https://publications.waset.org/pdf/10009792.