@article{cohen-kapchits08,
  author = "Reuven Cohen and Boris Kapchits",
  title = "Topology Maintenance in Asynchronous Sensor Networks", 
 journal = "{IEEE/ACM} Transactions on Networking",
 volume    = 19,
 number    = 1,
 month     = "February",
 year      =  2011,
 note      = "An earlier version was presented in SECON'2008"
}
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