Akbari Baghal, A. E. ., A. Maleki, and R. . Vafaei. “On the Pull-Out Behavior of Hooked-End Shape Memory Alloys Fibers Embedded in Ultra-High Performance Concrete”. International Journal of Engineering and Technology Innovation, vol. 11, no. 4, July 2021, pp. 265-77, doi:10.46604/ijeti.2021.7060.