@incollection{DraperMaekelaeinenNordstroemetal.1999,
  author    = {Norman R. Draper and Timo M{\"a}kel{\"a}inen and Kenneth Nordstr{\"o}m and Friedrich Pukelsheim},
  title     = {Gustav Elfving: an appreciation},
  booktitle = {Statistics, registries, and science: experiences from Finland},
  editor    = {Juha Alho},
  isbn      = {9517276435},
  year      = {1999},
}