El Mahmoudi, A.; Gabr, A. (2008). "Geophysical surveys to investigate the relation between the Quaternary Nile channels and the Messinian Nile canyon at East Nile Delta, Egypt". Arabian Journal of Geosciences. 2 (1): 53–67. doi:10.1007/s12517-008-0018-9. ISSN1866-7511. S2CID128432827.
El Mahmoudi, A.; Gabr, A. (2008). "Geophysical surveys to investigate the relation between the Quaternary Nile channels and the Messinian Nile canyon at East Nile Delta, Egypt". Arabian Journal of Geosciences. 2 (1): 53–67. doi:10.1007/s12517-008-0018-9. ISSN1866-7511. S2CID128432827.
El Mahmoudi, A.; Gabr, A. (2008). "Geophysical surveys to investigate the relation between the Quaternary Nile channels and the Messinian Nile canyon at East Nile Delta, Egypt". Arabian Journal of Geosciences. 2 (1): 53–67. doi:10.1007/s12517-008-0018-9. ISSN1866-7511. S2CID128432827.