@book{kochgrunberg1923b,
  address = {Stuttgart},
  author  = {Koch-Grunberg, T.},
  key     = {Koch-Grunberg (1923b)},
  pages   = {250-355},
  title   = {Vom Roroima zum Orinoco},
  volume  = {3},
  year    = {1923}
}