@book{Jones-1998b,
  address    = {München},
  author     = {Jones, Ross McCallum},
  publisher  = {Lincom Europa},
  title      = {The Boko / Busa Language Cluster},
  year       = {1998},
  iso_code   = {bqp; bqc},
  olac_field = {general_linguistics; typology; semantics; syntax},
  wals_code  = {bok; bus}
}