@book{73534,
	author = {Piulats, Octavi,},
	title = {La ciencia espiritual de la naturaleza :},
	publisher = {ediciones carena,},
	year = {[2017]},
	series = {Crecimiento},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/50643/}
}