@article {1340315,
	title = {Three-Dimensional Dynamic Self-Assembly of Spinning Magnetic Disks: Vortex Crystals},
	journal = {Journal of Physical Chemistry B},
	volume = {106},
	year = {2001},
	note = {766},
	pages = {1188-1194},
	keywords = {JP012819K},
	author = {Grzybowski, B. A. and Whitesides, G. M.}
}
