@book{83775,
	author = {Delaborde, Henri, comte, and Walker, William,},
	title = {Engraving: Its Origin, Processes, and History},
	publisher = {Project Gutenberg,},
	year = {2013},
	address = {Salt Lake City, UT :},
	note = {Release date is 2013-06-13},
	url = {https://www.gutenberg.org/ebooks/42936}
}