Author not established. An Open Letter to General Tesfaye Habtemariam regarding Aircraft Hijacking of EA in December 1972 [editorial display title]. Date not established. EHREA archive: /library/documents/doc-02f4bf2e74c772f737484958/
[1] >Isahac Teweldemedhin). Original source: http://www.ehrea.org/HYJA72.php. Preserved original: /library/originals/06344a364d56b814477c1afe8cf799cdb3504840405b0d0a393eaef8c09cb14c.html. SHA-256: 06344a364d56b814477c1afe8cf799cdb3504840405b0d0a393eaef8c09cb14c