@ARTICLE{An2004,
  AUTHOR =       "Y. An and J. Janssen and E. Milios",
  TITLE =        "Characterizing and Mining the Citation Graph of Computer Science",
  JOURNAL =      "Knowledge and Information Systems",
  YEAR =         "2004",
  volume =       "6",
  number =       "4",
  month =        "Nov."
}
  %pages =        "", see here for page numbers when they appear: http://www.cs.uvm.edu/~kais/