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Enjeux de l'après-barrage : vallée du Sénégal
Engelhard, Philippe, (1986)
The Jonglei Canal: on evolution of the project model
Sammani, Mohamed O. el-, (1985)
Annual report / Interim Committee for Co-ordination of Investigations of the Lower Mekong Basin : (Lao People's Democratic Republic, Kingdom of Thailand and Socialist Republic of Viet Nam)
(1986)