@conference {rafat2003numerical,
	title = {A numerical simulator for graded-bandgap solar cells},
	booktitle = {Microelectronics, 2003. ICM 2003. Proceedings of the 15th International Conference on},
	year = {2003},
	note = {<p>n/a</p>
},
	pages = {291{\textendash}294},
	publisher = {IEEE},
	organization = {IEEE},
	abstract = {<p>n/a</p>
},
	author = {NH Rafat and AM Abdel Haleem and S. E.-D. Habib}
}
