@article{TUW-136955, author = {Dittenbach, Michael and Rauber, Andreas and Merkl, Wolfdieter}, title = {Uncovering Hierarchical Structure in Data Using the Growing Hierarchical Self-Organizing Map}, journal = {Neurocomputing}, year = {2002}, volume = {48}, number = {1-4}, pages = {199--216}, url = {http://www.sciencedirect.com/science?_ob=IssueURL&_tockey=%23TOC%235660%232002%23999519998%23335036%23FLA%23Volume_48,_Issues_1-4,_Pages_1-1073_(October_200} }