@article{RiederKohlRuckdeschel2008,
  author    = {Helmut Rieder and Matthias Kohl and Peter Ruckdeschel},
  title     = {The cost of not knowing the radius},
  series   = {Statistical Methods and Applications},
  volume    = {17.2008},
  number    = {1},
  issn      = {1613-981X},
  doi       = {10.1007/s10260-007-0047-7},
  pages     = {13 -- 40},
  year      = {2008},
  language  = {en}
}