@book{104748,
	author = {Mackowsky, Hans, and Knackfuss, H.},
	title = {Verrocchio},
	publisher = {Project Gutenberg,},
	year = {2020},
	series = {Künstler-Monographien: LII},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-11-30},
	url = {https://www.gutenberg.org/ebooks/63924}
}