@book{84022,
	author = {Valencia García, Germán,},
	title = {Geometría descriptiva :},
	publisher = {Ecoe Ediciones,},
	year = {[2009]},
	series = {Ingeniería y arquitectura. Ingeniería},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/70472/}
}