@book{72572,
	author = {Heine, Heinrich, and Lazarus, Emma,},
	title = {Poems and Ballads of Heinrich Heine},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-03-21},
	url = {https://www.gutenberg.org/ebooks/31726}
}