solar activity | Shahinaz Yousef

solar activity

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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

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_ part 1 pp_77-94.docnile_arab_epoch_pp_77-941.doc