@book {4349,
	title = {World Checklist of Dioscoreales - Yams and their allies},
	year = {2007},
	month = {2007///},
	publisher = {Kew Publishing},
	organization = {Kew Publishing},
	address = {Kew},
	author = {Govaerts, R. and Wilkin, P. and Saunders, R. M. K.}
}
