@book{60306,
	author = {Lassus, Jean Baptiste Antoine, and Viollet-le-Duc, Eugène-Emmanuel,},
	title = {Projet de restauration de Notre-Dame de Paris},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-07-27},
	url = {https://www.gutenberg.org/ebooks/18920}
}