@book{78874,
	author = {Lebon, Ernest,},
	title = {Paul Appell: Biographie, Bibliographie Analytique des Écrits},
	publisher = {Project Gutenberg,},
	year = {2011},
	address = {Salt Lake City, UT :},
	note = {Release date is 2011-11-16},
	url = {https://www.gutenberg.org/ebooks/38034}
}