@JournalArticle {SIEEUM14117,
	title = {Macro, meso and micro efficiencies in water resources management: a new framework using water balance},
	journal = {Journal of the American Water Resources Association},
	volume = {48},
	number = {2},
	year = {2012},
	month = {2012-01-01 00:00:00},
	pages = {235{\textendash}243},
	publisher = {American Water Resources Association},
	address = {United States},
	keywords = {3ME, Beneficial weight, Efficiency, Irrigation, Quality weight, Usefulness Criterion, Water resources management},
	issn = {1093-474X},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=14117},
	author = {Haie, N. and Keller, A. A.}
}