@techreport{draft-dressler-ipfix-aggregation-04,
  author = {Dressler, Falko and Sommer, Christoph and M{\"{u}}nz, Gerhard and Kobayashi, Atsushi},
  title = {{IPFIX Flow Aggregation}},
  institution = {IETF},
  month = {November},
  number = {draft-dressler-ipfix-aggregation-04.txt},
  type = {Internet-Draft (work in progress)},
  url = {http://tools.ietf.org/html/draft-dressler-ipfix-aggregation-04},
  year = {2007},
}