@book{90922,
	author = {Kelsen, Hans, and Klug, Ulrich,},
	title = {Normas jurídicas y análisis lógico /},
	publisher = {Ediciones Olejnik,},
	year = {[2021]},
	series = {Biblioteca de filosofía del derecho},
	address = {Santiago, Chile :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/104345/}
}