@article {1310,
	title = {Site location and optical properties of Eu implanted sapphire},
	journal = {Nuclear Instruments \& Methods in Physics Research Section B-Beam Interactions with Materials and Atoms},
	volume = {240},
	year = {2005},
	pages = {409-414},
	author = {C. Marques and A. Wemans and M. J. P. Maneira and A. Kozanecki and R. C. da Silva and E. Alves}
}
