@book {8964,
	title = {{\"U}bersicht des Arachnidensystems},
	volume = {Heft 5.},
	year = {1850},
	pages = {77 pp},
	publisher = {J. L. Lotzbeck},
	organization = {J. L. Lotzbeck},
	address = {N{\"u}rnberg},
	author = {Koch, Carl Ludwig}
}
