@conference{Krakow,
  title = " A Preference Model for Deciding the Market Share of Network Service Providers",
  author = "Richard T.B. Ma, John Chi Shing Lui, Vishal Misra",
  year = "2012",
  month = "sep",
  booktitle = "Workshop on Telecom Economics, Engineering and Policy",
  address = "Krakow, Poland",
}