@book{81014,
	author = {Tower, Willis E. and Cope, Thomas D.},
	title = {Physics},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-07-09},
	url = {https://www.gutenberg.org/ebooks/40175}
}