@book{108350,
	author = {Porta Casanellas, Jaime. and Poch Claret, Rosa M.},
	title = {Introducción a la edafología :},
	publisher = {Mundi-Prensa,},
	year = {2011.},
	address = {Madrid :},
	edition = {2 ed. (rev. y amp.)}
}