@article{LiCRNJSAC12,
  author = {Wei Li and Xiuzhen Cheng and Tao Jing and Yong Cui and Kai Xing and Wendong Wang},
  title = {Spectrum Assignment and Sharing for Delay Minimization in Multi-Hop Multi-Flow CRNs},
  journal = {IEEE Journal on Selected Areas in Communications (JSAC), Special 
Issue on Cognitive Radio},
  volume = {},
  pages = {},
  month = {March},
  year = {2013},
}