@book{71534,
	author = {Mills, John,},
	title = {Letters of a Radio-Engineer to His Son},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-12-16},
	url = {https://www.gutenberg.org/ebooks/30688}
}