S. A. Alshehri, S. Khatun, A. Jantan, R. R. Abdullah, R. Mahmood, and Z. Awang, “Experimental Study of Breast Cancer Detection Using UWB Imaging”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 1, no. 1, pp. 83–87, Feb. 2011.