@book{108018,
	author = {Clarke, John Mason,},
	title = {Observations on the Terataspis grandis, Hall, the largest known trilobite},
	publisher = {Project Gutenberg,},
	year = {2022},
	address = {Salt Lake City, UT :},
	note = {Release date is 2022-01-19},
	url = {https://archive.org/details/observationsonte00clar/}
}