@book{81791,
	author = {Robinson, W.},
	title = {Mushroom Culture: Its Extension and Improvement},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-10-06},
	url = {https://www.gutenberg.org/ebooks/40952}
}