@Article{RAU_03tnn,
  author = 	 {Rauber, A. and Merkl, D. and Dittenbach, M.},
  title = 	 {The Growing Hierarchical Self-Organizing Map: 
{E}xploratory Analysis of High-Dimensional Data},
  journal = 	 {IEEE Transactions on Neural Networks},
  issn =         {1045-9227},
  year = 	 2002,
  volume =	 13,
  number =	 6,
  pages =	 {1331-1341},
  month =	 {November}
}