Le Nguyen , H. T., D. Tran Xuan, H. Lam Van, T. Nguyen Tien, P. Nguyen Hoang, and H. P. Vo Luong. “Analysis of Wave Spectrum by Blackman-Tukey Method and Fast Fourier Method”. Vietnam Journal of Marine Science and Technology, vol. 21, no. 1, Mar. 2021, pp. 13-22, doi:10.15625/1859-3097/15114.