@inbook {15980,
	title = {Biomonitoring studies performed with european eel populations from the estuaries of Minho, Lima and Douro rivers (NW Portugal)},
	booktitle = {Advanced Environmental Monitoring},
	series = {Y.J. Kim and U. Platt},
	year = {2007},
	month = {2008-03-26},
	pages = {390-401},
	publisher = {Springer},
	organization = {Springer},
	author = {Gravato, C. and Faria, M. and Alves, A. and Santos, J. and Guilhermino, L.}
}
