@book{42939,
	author = {Dyer, Frank Lewis, and Martin, Thomas Commerford,},
	title = {Edison: His Life and Inventions},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {1910},
	url = {https://www.gutenberg.org/ebooks/820}
}