@book{gBoyeldieuLaal,
  author    = {Boyeldieu, Pascal},
  pages     = {x+233},
  publisher = {Berlin: Dietrich Reimer},
  series    = {Marburger Studien zur Afrika- und Asienkunde: Serie A, Afrika},
  title     = {Deux Études laal: Moyen-Chari, Tchad},
  volume    = {29},
  year      = {1982}
}