@article {aguas2008study,
	title = {Study of environmental degradation of silver surface},
	journal = {physica status solidi (c)},
	volume = {5},
	number = {5},
	year = {2008},
	note = {n/a},
	pages = {1215{\textendash}1218},
	publisher = {WILEY-VCH Verlag},
	abstract = {n/a},
	author = {Aguas, H. and Silva, R.J.C. and Viegas, M. and Pereira, L. and Fortunato, E. and Martins, R.}
}
