@book{81998,
	author = {Richthofen, Manfred, Freiherr von, and Grey, C. G.},
	title = {The Red Battle Flyer},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Red_Fighter_Pilot},
	url = {https://www.gutenberg.org/ebooks/41159}
}