@book{100739,
	author = {Hubbard, Douglass H.,},
	title = {Ferns of Hawaii National Park},
	publisher = {Project Gutenberg,},
	year = {2019},
	series = {Hawaii Nature Notes, Vol. 5, No. 1, June 1952},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-07-13},
	url = {https://www.gutenberg.org/ebooks/59913}
}