Detection of Subsurface Cavities by Using Pole- Dipole Array (Bristow’s Method)/Hit Area-Western Iraq. Iraqi Journal of Science [Internet]. 2023 Nov. 24 [cited 2024 Dec. 20];55(2A):444-53. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11699