@inproceedings{ ho2006constructive,
  url = {http://yuhanchang.com/papers/allerton06.pdf}
}
,
  booktitle = {Allerton Conference on Communication, Control, and Computing}
}
,
  author = {Tracey C. Ho and Yu-Han Chang and Keesook J. Han}
}
,
  year = {2006}
}
,
  title = {On Constructive Network Coding for Multiple Unicasts}
}