@article {130457,
	title = {Ultraviolet Stimulated Emission from Sol-Gel Spin Coated ZnO Thin Films},
	journal = {Advances in Materials Science and Engineering},
	volume = {2017},
	year = {2017},
	author = {Ahmed S. Razeen and A.-S. Gadallah and M. M. El-Nahass}
}
