@book{109539,
	author = {Seibold, Alois Leopold,},
	title = {Die Radierung: Ein Leitfaden und Ratgeber},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Illustrated by the author.},
	url = {https://www.gutenberg.org/ebooks/68735}
}