@inbook{12433,
  author = {Magne J{\o}rgensen and Dag Sj{\o}berg},
  title = {Expert Estimation of Software Development Work},
  year = {2006},
  journal = {Software Evolution and Feedback: Theory and Practice},
  chapter = {25},
  pages = {489-503},
  publisher = {Wiley},
  editor = {Nazim Madhavji and Juan Fernandez-Ramli and Dewayne Perry},
}