Author not established. The mysterious death of  Petros Yohannes 1978. Date not established. EHREA archive: /library/documents/doc-11c92787cd07834f5acfffba/
[1] The mysterious death of  Petros Yohannes 1978. Original source: http://www.ehrea.org/ensapetro.php. Preserved original: /library/originals/eef1e06afa3ea527678ef2642f930a821909e6fa4f4ac4fb13facbab5ab804fd.html. SHA-256: eef1e06afa3ea527678ef2642f930a821909e6fa4f4ac4fb13facbab5ab804fd