@book {11733,
	title = {Beytr{\"a}ge zur Naturgeschichte},
	year = {1776},
	pages = {[6], 137 pp., [3 pp.], 7 foldout pls},
	publisher = {Caspar Fritsch},
	organization = {Caspar Fritsch},
	address = {Leipzig},
	author = {Schrank, F.}
}
