@misc{11630,
  author = {Kjetil Mol{\o}kken-{\O}stvold and Nils Haugen},
  title = {Know When to Hold {\textquoteright}em, Know When to Fold {\textquoteright}em - Combining Estimates With Planning Poker},
  year = {2006},
  journal = {Presentation at Simula{\textquoteright}s annual estimation seminar},
  month = {November},
}