Sundara Subramanian Karuppasamy and Che Hua Yang, Laser Ultrasonic Imaging Based on Synthetic Aperture Focusing Technique Algorithm. journal = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2021, vol. 169(1). 1 - 5 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10011745.