@book{cerulli1956,
  address   = {London},
  author    = {Cerulli, E.},
  key       = {Cerulli (1956)},
  pages     = {148},
  publisher = {London: International African Institute},
  series    = {Ethnographic Survey of Africa: North-Eastern Africa},
  title     = {Peoples of South-west Ethiopia and Its Borderland},
  volume    = {III},
  year      = {1956}
}