@book{68466,
	author = {Grahame-White, Claude, and Harper, Harry,},
	title = {Learning to Fly: A Practical Manual for Beginners},
	publisher = {Project Gutenberg,},
	year = {2008},
	address = {Salt Lake City, UT :},
	note = {Release date is 2008-12-18},
	url = {https://www.gutenberg.org/ebooks/27557}
}