@book {19985,
	title = {Systema Naturae},
	volume = {2},
	year = {1791},
	publisher = {Georg Emanuel Beer},
	organization = {Georg Emanuel Beer},
	edition = {13 (aucta, reformata)},
	address = {Leipzig [Lipsiae]},
	url = {http://www.biodiversitylibrary.org/page/2910729$\#$page/1/mode/1up},
	author = {Gmelin, Johann F.}
}
@book {19855,
	title = {De Fructibus et Seminibus Plantarum},
	volume = {2},
	year = {1791},
	publisher = {Guglielmi Henrici Schrammii [Wilhelm Heinrich Schramm]},
	organization = {Guglielmi Henrici Schrammii [Wilhelm Heinrich Schramm]},
	address = {Tubingae [T{\"u}bingen]},
	url = {http://www.biodiversitylibrary.org/item/114452$\#$page/1/mode/1up},
	author = {Gaertner, Joseph}
}
@book {18455,
	title = {Genera plantarum },
	volume = {2},
	year = {1791},
	publisher = {Varrentrapp \& Wenner},
	organization = {Varrentrapp \& Wenner},
	edition = {8},
	address = {Frankfurt},
	author = {von Schreber, Johann Christian Daniel}
}
