@book{4724,
	author = {Instituto Geográfico Agustin Codazzi and Bejarano de Carvajal, Cecilia,},
	title = {Los suelos, su uso y manejo :},
	publisher = {IGAC,},
	year = {1978.},
	address = {Bogotá :},
	edition = {1a. ed.}
}