@article{CTT100716226,
  author = {Takeya Shigezumi and Yushi Uno and Osamu Watanabe},
  title = {A new model for a scale-free hierarchical structure of isolated clique},
  journal = {Journal of Graph Algorithms and Applications},
  year = 2011,
}

@inproceedings{CTT100604578,
  author = {Takeya Shigezumi and Yushi Uno and OSAMU WATANABE},
  title = {A new model for a scale-free hierarchical structure of isolated cliques},
  booktitle = {Proc. of 4th Workshop on Algorithms and Computation (WALCOM'10)},
  year = 2010,
}