Emmanuel, Aniwetalu, Ilechukwu Juliet, Oguadinma Vivian, Chiadikobi Kingsley, and Nnaji Ezechimelu. “Spectral Analysis of Rayleigh Waves in South-Eastern Parts of Niger Delta, Nigeria”. International Journal of Advanced Geosciences 6, no. 1 (December 27, 2017): 51–56. Accessed November 23, 2024. https://sciencepubco.com/index.php/IJAG/article/view/8776.