@article{farkas2003topology,
  title={The topology of the transcription regulatory network in the yeast,< i> Saccharomyces cerevisiae</i>},
  author={Farkas, I and Jeong, Hawoong and Vicsek, Tamas and Barab{\'a}si, A-L and Oltvai, Zoltan N},
  journal={Physica A: Statistical Mechanics and its Applications},
  volume={318},
  number={3},
  pages={601--612},
  year={2003},
  publisher={North-Holland}
}