@article{RNTI/papers/1001884,
  author    = {Ndeye Niang and Mory Ouattara},
  title     = {Hierarchical Mixed Topological Maps},
  journal = {Revue des Nouvelles Technologies de l'Information},
  volume = {Advances in Theory and Applications of High Dimensional and Symbolic Data Analysis, RNTI-E-25},
  year      = {2013},
  pages     = {123-138}
}