Mezi Saharou a tropickými pralesy : Between the Sahara and the tropical rain forestsViktor ČernýEsauritoAvvisami
Mezi Saharou a tropickými pralesy : lidé z pohoří Mandara = Between the Sahara and the tropical rain forests : people of the Mandara MountainsViktor ČernýEsauritoAvvisami
