Pham Thanh, L., 		Hang, N., 		Thanh, D., & 		Minh, L.
(2017).
 Using the  Directional Analytic Signals of  Magnetic Gradient Tensor  to Determine Boundaries of Source.
<em>VNU Journal Of Science: Mathematics - Physics, 33</em>(4).
doi:10.25073/2588-1124/vnumap.4226