@book{226980,
	author = {Lascano, R. J. and Sojka, R. e.},
	title = {Irrigation of agricultural crops = Riego de Cultivos Agrícolas / Robert J. Lascano, Robert E. Sojka},
	publisher = {Soil Science Society of America},
	year = {2007},
	address = {Madison},
	edition = {2a ed.}
}