@book{89276,
	author = {Michell, E. B. and Lodge, George Edward,},
	title = {The Art and Practice of Hawking},
	publisher = {Project Gutenberg,},
	year = {2015},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-03-08},
	url = {https://www.gutenberg.org/ebooks/48437}
}