@book{216998,
	author = {Hietala-Koivu, Reija and Yli-Viikari, Anja},
	title = {Evaluating agri-environmental indicators (AEIs) : use and limitations of international indicators at national level / Anja Yli-Viikari ...[et al.]},
	year = {2007},
	note = {Versión electrónica}
}