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Dissertation/ Thesis
Authors: Youssef Michel Guirguis
File Description: application/pdf; 343212 bytes
Relation: https://tohoku.repo.nii.ac.jp/?action=repository_uri&item_id=94106; http://hdl.handle.net/10097/9542; (806), (1980); https://tohoku.repo.nii.ac.jp/?action=repository_action_common_download&item_id=94106&item_no=1&attribute_id=18&file_no=1; T1S55806