@article{farkas2002networks,
  title={Networks in life: Scaling properties and eigenvalue spectra},
  author={Farkas, I and Der{\'e}nyi, I and Jeong, H and Neda, Z and Oltvai, ZN and Ravasz, E and Schubert, A and Barab{\'a}si, A-L and Vicsek, T},
  journal={Physica A: Statistical Mechanics and its Applications},
  volume={314},
  number={1},
  pages={25--34},
  year={2002},
  publisher={Elsevier}
}