Greppin, John A. C. (1991). "Some Effects of the Hurro-Urartian People and Their Languages upon the Earliest Armenians". Journal of the American Oriental Society. 3 (4): 720–730. doi:10.2307/603403. Even for now, however, it seems difficult to deny that the Armenians had contact, at an early date, with a Hurro-Urartian people.
worldcat.org
Diakonoff, Igor M (1992). "First Evidence of the Proto-Armenian Language in Eastern Anatolia". Annual of Armenian Linguistics. 13: 51–54. ISSN0271-9800.
