WASET
    G. W. Ni and  Y. M. Zhang and  D. L. Jiang and  J. N. Chen and  X. G. Wang,  Study on Distortion of Bi-Steel Concrete Beam.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 338 - 341
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/7468.