Author not established. Archived reference: “Osman Saleh Sabbe” [editorial display title]. Date not established. EHREA archive: /library/documents/doc-992bc9e07a8b7e3332244b8d/
[1] 1703DE2-02IT.pdf. Original source: http://www.ehrea.org/1703DE2-02IT.pdf. Preserved original: /library/originals/c7949bef288099ea8653a4d0628e4a72c72283086a84be6da2b2bdb332f6de3c.pdf. SHA-256: c7949bef288099ea8653a4d0628e4a72c72283086a84be6da2b2bdb332f6de3c