@book{101032,
	author = {Herzberg, Wilhelm,},
	title = {Papierprüfung: Eine Anleitung zum Untersuchen von Papier},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-09-01},
	url = {https://www.gutenberg.org/ebooks/60206}
}