@book{20924,
	author = {Wiersema, John H. and Kirkbride, Jr.},
	title = {Legume (Fabaceae) Nomenclature in the USDA Germoplasma System /},
	publisher = {United States Departament of Agriculture,},
	year = {1990.},
	series = {Thechical Bulletin Nº 1757},
	address = {Maryland :}
}