@misc{kalleberg-p-06b,
  author   = {Karl Trygve Kalleberg},
  title    = {MetaStratego -- Hacking an Extensible Stratego Compiler},
  month    = {December 1},
  year     = 2006,
  urlpdf   = {ftp://ftp.stratego-language.org/pub/stratego/SUD06/sud06-metastratego.pdf},
  note     = {Presentation at the Seventh Stratego User Days, Delft, The Netherlands},
  category = {presentation},
  address  = {Delft, The Netherlands},
}