@book{58846,
	author = {Gale, Cengage},
	title = {"A Study Guide for Isaac Asimov's ""Nightfall"""},
	publisher = {Gale, Cengage Learning},
	edition = {eng},
	url = {https://login.zproxy.cun.edu.co/login?url=https://bibliotecacun.odilotk.es/opac?id=00211647}
}