@book{94188,
	author = {Rivera Díaz, Jorge Manuel.},
	title = {Clasificación de suelos},
	publisher = {UACH. Departamento de Suelos,},
	year = {2005},
	series = {Serie Notas de Pedología},
	address = {Chapingo, Méx. :},
	edition = {3 ed.}
}