@unpublished{73307,
  address    = {Max Planck Institute for Evolutionary Anthropology, Leipzig, Manuscript},
  author     = {Frank Seifart},
  title      = {Valency classes in Bora (Peru)},
  year       = {2011},
  keywords   = {Amazonia, Bora, South America},
  lgcode     = {Bora [boa]},
  macro_area = {South America},
  src        = {seifart}
}