@proceedings {203538,
	title = {Synthesis of Rare-Earth Doped and Undoped GaN nano-crystallites},
	journal = {Modern Trends in Physics Research, World Scientific},
	year = {2013},
	pages = {97-103},
	address = {Cairo, Egypt},
	author = {Samah Ahmed and M. Awaad and Magdy M. Omar and Yahia Badr and Lotfia El Nadi}
}
