White Nile

Yousef, S., and E. M. Raey, "Major Solar Episodes Reconstructed Using Records Of the river Nile , Tree-Ring Indices and Sunspot", De L’ Institut D’ Egypte., vol. Tomes LXXIV, pp. 76-108, 1994. nile_arab_epoch_pp_77-941.docsecond_part_95-108.doc
Shehri, S. M. A., I. Sabbah, S. M. Yousef, and M. Y. Amin, "Solar Forcing On Nile And Cosmic Rays", Modern Trends in Physics. Fourth International Conference MTPR- 10, Edited by L. El Nadi, Cairo and Sharm El Sheikh Egypt, World Scientific Publishing Co. 978-981-4540-88-1, pp. 33-336, 2013. shahinaz_3.pdf