@article { cerdeira2008,
	title = {Stable isotopes as ecological tracers: An efficient method for assessing the contribution of multiple sources to mixtures},
	journal = {Biogeosciences},
	volume = {5},
	number = {5},
	year = {2008},
	note = {n/a},
	pages = {1351-1359},
	abstract = {n/a},
	author = {Bugalho, M.N. and Barcia, P. and Caldeira, M.C. and Cerdeira, J.O.}
}
