Haroutiunian, R. A. (2005). "Катастрофическое извержение вулкана Арарат 2 июля 1840 года" [Catastrophic eruption of volcano Ararat on 2 july 1840]]. Proceedings of the National Academy of Sciences of the Republic of Armenia: Earth Sciences (in Russian). 58 (1): 27–35. ISSN0515-961X. Archived from the original on 7 December 2015. Retrieved 26 November 2015.
Haroutiunian, R. A. (2005). "Катастрофическое извержение вулкана Арарат 2 июля 1840 года" [Catastrophic eruption of volcano Ararat on 2 july 1840]]. Proceedings of the National Academy of Sciences of the Republic of Armenia: Earth Sciences (in Russian). 58 (1): 27–35. ISSN0515-961X. Archived from the original on 7 December 2015. Retrieved 26 November 2015.
Haroutiunian, R. A. (2005). "Катастрофическое извержение вулкана Арарат 2 июля 1840 года" [Catastrophic eruption of volcano Ararat on 2 july 1840]]. Proceedings of the National Academy of Sciences of the Republic of Armenia: Earth Sciences (in Russian). 58 (1): 27–35. ISSN0515-961X. Archived from the original on 7 December 2015. Retrieved 26 November 2015.