Borkou et Ounianga
Subtitle: étude de géographie régionale.
Series: Université d'Alger. Institut de recherches sahariennes. Mémoire -- no. 5
Published: 1961
Place of publication: Alger
Language: fre
Number of pages: 182
Subjects: Human geography -- Chad
Notes: Erratum slip inserted.

Bibliography: p. [169]-173.