@article{cohen-katzir08a, 
  author = "Reuven Cohen and Liran Katzir",
  title = "Computational Analysis and Efficient Algorithms for Micro and Macro {OFDMA} Scheduling", 
 journal = "{IEEE/ACM} Transactions on Networking",
 volume    = 18,
 number    = 1,
 month     = "February",
 year      =  2010,
 note      = "An earlier version was presented in Infocom'2008, Phoenix, Arizona"
}