@article {7140,
	title = {Beobachtungen an den europ{\"a}ischen Arten der Gattung Vincetoxicum},
	journal = {Bot. J. Linn. Soc},
	volume = {64},
	year = {1971},
	month = {1971///},
	pages = {370 - 376},
	author = {F. Markgraf}
}
