@book{47794,
	author = {Williams, Sam,},
	title = {Free as in Freedom: Richard Stallman's Crusade for Free Software},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Free_as_in_Freedom},
	url = {https://www.gutenberg.org/ebooks/5768}
}