Biased graphs. I. Bias, balance, and gains

@article{Zaslavsky1989BiasedGI,
  title={Biased graphs. I. Bias, balance, and gains},
  author={Thomas Zaslavsky},
  journal={J. Comb. Theory, Ser. B},
  year={1989},
  volume={47},
  pages={32-52}
}