@book{49262,
	author = {Emerson, Ralph Waldo, and Izquierdo, Maritza,},
	title = {El espíritu de la naturaleza /},
	publisher = {Editorial Verbum,},
	year = {[2016]},
	series = {Verbum Ensayo},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/52013/}
}