AL-RAHIM, Ali M. Enhance the delineation of masked structures in southern Iraq by applying the Biharmonic operator to their gravity field. Iraqi Journal of Science, [S. l.], v. 58, n. 1A, p. 79–87, 2022. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6203.. Acesso em: 8 dec. 2025.