@misc{CecenaMotto2010,
  author    = {Ana Esther Cece{\~n}a and Carlos Ernesto Motto},
  title     = {Paraguay : Ausgangspunkt f{\"u}r die Beherrschung des S{\"u}dkegels},
  institution = {WeltTrends e.V. Potsdam},
  type      = {postprint},
  year        = {2010},
}