@book{73416,
	author = {Vissering, Harry},
	title = {Zeppelin: The Story of a Great Achievement},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-05-28},
	url = {https://www.gutenberg.org/ebooks/32570}
}