Étude des potentialités du bassin conventionnel du lac Tchad.
Contributors: France. Ministère de la coopération.; O.R.S.T.O.M. (Agency : France)
Publisher: ORSTOM
Published: 1990
Place of publication: [Paris]
Language: fre
Notes: ORSTOM fonds documentaire no.9925.

At head of title: Ministère de la coopération.