@book{72481,
	author = {Tracy, Louis, and McFall, J. V.},
	title = {The Silent Barrier},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-03-14},
	url = {https://www.gutenberg.org/ebooks/31635}
}