@book{80050,
	author = {Hofmann, Josef,},
	title = {Piano Playing, with Piano Questions Answered},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-03-20},
	url = {https://www.gutenberg.org/ebooks/39211}
}