AZIZ, Jabir S., and Saba T. HAMADA. “Path Profile Analysis of a LOS System Using 3-D Digital Map”. Nahrain University College of Engineering Journal 11, no. 1 (March 4, 2008): 28–37. Accessed December 23, 2024. https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/493.