Abbate, E., P. Bruni, y M. Sagri. «Development of a lacustrine terminal fan and a coarse grained delta in the tertiary Daban Basin (Norfhern Somalia)». Cuadernos de Geología Ibérica, vol. 15, vol. 15, 1991, pp. 279-98, https://revistas.ucm.es/index.php/CGIB/article/view/CGIB9191110279A.