@book{106834,
	author = {Brown, Clair A. and Grelen, Harold E.},
	title = {Identifying Hardwoods Growing on Pine Sites},
	publisher = {Project Gutenberg,},
	year = {2021},
	series = {Forest Service General Technical Report SO-15},
	address = {Salt Lake City, UT :},
	note = {Release date is 2021-08-08},
	url = {https://www.gutenberg.org/ebooks/66012}
}
