@book{holas1957,
  address   = {Paris},
  author    = {Holas, B.},
  key       = {Holas (1957)},
  publisher = {Paris: Presses Universitaires de France pour l'International African Inst. (IAI)},
  series    = {Monographies ethnologiques africaines; Ethnographic survey of Africa, Western Africa, French series},
  title     = {Les Senoufo (y compris les Minianka)},
  volume    = {5},
  year      = {1957}
}