@article {PIE107,
	title = {Tracing the flow of organic matter from primary producers to filter feeders in Ria Formosa Lagoon, Southern Portugal},
	journal = {Estuaries},
	volume = {26},
	number = {4A},
	year = {2003},
	note = {Grad},
	pages = {846-856},
	keywords = {estuary, food web, LTER-PIE, stable isotope},
	doi = {10.1007/BF02803343},
	author = {Machas, R. and Santos, R. and Peterson, B.}
}
