@book{95389,
	author = {Proctor, Richard A.},
	title = {Rough Ways Made Smooth: A series of familiar essays on scientific subjects},
	publisher = {Project Gutenberg,},
	year = {2017},
	address = {Salt Lake City, UT :},
	note = {Release date is 2017-04-17},
	url = {https://www.gutenberg.org/ebooks/54557}
}