1. Astudillo, C.A., Oommen, B.J.: Unabridged version of this paper (2008)
2. Datta, A., Parui, S.M., Chaudhuri, B.B.: Skeletal shape extraction from dot patterns by self-organization. Pattern Recognition 4, 80–84 (1996)
3. Dittenbach, M., Merkl, D., Rauber, A.: The Growing Hierarchical Self-Organizing Map. In: Proc of the International Joint Conference on Neural Networks (IJCNN 2000), Como, Italy, pp. 15–19 (2000)
4. Fritzke, B.: A growing neural gas network learns topologies. In: Advances in Neural Information Processing Systems, vol. 7, pp. 625–632. MIT Press, Cambridge (1995)
5. Fritzke, B.: Growing Grid - a self-organizing network with constant neighborhood range and adaptation strength. Neural Processing Letters 2, 9–13 (1995)