@article {2366,
	title = {Direct Observation of Internal Spin Structure of Magnetic Vortex Cores},
	journal = {Science},
	volume = {298},
	year = {2002},
	pages = {577-580},
	author = {Wachowiak, Andr{\'e} and Wiebe, Jens and Bode, Matthias and Pietzsch, Oswald and Morgenstern, Markus and Wiesendanger, Roland}
}
