@book{42042,
	author = {Ferrer Santos, Urbano, and Seifert, Josef,},
	title = {Acción, deber, donación :},
	publisher = {Dykinson, S.L.,},
	year = {[2015]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/40658/}
}