@book {lehmann1818,
	title = {Plantae e Familiae Asperifoliarum Nuciferae},
	year = {1818},
	publisher = {D{\"u}mmler},
	organization = {D{\"u}mmler},
	address = {Berlin},
	url = {http://reader.digitale-sammlungen.de/de/fs1/object/display/bsb10229802_00001.html},
	author = {Lehmann, J. G. C.}
}
