@conference{KR02,
  title = "A Greedy Approach to Replicated Content Placement Using Graph Coloring",
  author = "Bong-Jun Ko, Dan Rubenstein",
  year = "2002",
  month = "jul",
  booktitle = "SPIE ITCom Conference on Scalability and Traffic Control in IP Networks II",
  address = "Boston, MA",
}