Ogwal, Andrew Ongom. A study of the efficiency of lightning surge protector systems on Ug andan transmission lines and substations and improving upon them / b y Andrew Ongom Ogwal. - Kampala : Makerere University, 2003. - iii, 69 p. ; 27 cm. Dissertation (BSc. Electr. Eng.) - Makerere University, 2003. Includes bibliographical references (p. 69). Subjects--Topical Terms: Lightning protection-- Uganda.Lightning conductors. Dewey Class. No.: 693.898