Harsuko, M. R. C., Zulfakriza, Z., Nugraha, A. D., Sarjan, A. F. N., Widiyantoro, S., Rosalia, S., ... & Sahara, D. P. (2020). "Investigation of Hilbert–Huang Transform and Fourier Transform for Horizontal-to-Vertical Spectral Ratio Analysis: Understanding the Shallow Structure in Mataram City, Lombok, Indonesia", Frontiers in Earth Science, 334.