@book{64866,
	author = {Fassbender, Hans W. and Bornemisza, Elmer.},
	title = {Química de suelos},
	publisher = {Instituto Interamericano de Cooperación para la Agricultura,},
	year = {1987},
	series = {Libros y materiales Educativos},
	address = {San José. C.R. :},
	edition = {2ed.},
	note = {1993-279}
}