Author not established. Abraham Ghebreghiorgis (MIT) - Memorial. Date not established. EHREA archive: /library/documents/doc-22faae7940138568a44c6b45/
[1] Abraham Ghebreghiorgis (MIT) - Memorial. Original source: http://www.ehrea.org/Abraham%20Ghebreghiorgis.htm. Preserved original: /library/originals/384cfc6e95c24e2bdc9be1a8de38791c699a14dbd83725afb2cda26dad87af6c.html. SHA-256: 384cfc6e95c24e2bdc9be1a8de38791c699a14dbd83725afb2cda26dad87af6c