Dynamic Cell Structure Learns Perfectly Topology Preserving Map
@InCollection{bruske01book,
  author = 	 {J. Bruske and G. Sommer},
  booktitle = 	 {Self-Organizing Map Formation},
  title = 	 {Dynamic Cell Structure Learns Perfectly Topology Preserving Map},
  publisher = 	 {MIT Press, Cambridge, Massachusetts},
  year = 	 2001,
  editor =	 {K. Obermayer and T.J. Sejnowski},
  pages =	 {385-404}
}