@article{cj08-04,
  author={Raghav Kulkarni, Meena Mahajan, and Kasturi R. Varadarajan},
  title={Some perfect matchings and perfect
half-integral matchings in NC}
  journal={Chicago Journal of Theoretical Computer Science},
  volume={2008},
  number={4},
  publisher={University of Chicago},
  month={September},
  year={2008}
}