1. D. S. Belyankin and V. P. Petrov, “Petrography of Georgia,” in Regional Petrography Ser. 1. Issue II (Akad. Nauk SSSR, Moscow, 1945) [in Russian].
2. W. A. Berggren, D. V. Kent, C. C. Swisher, et al., “A Revised Cenozoic Geochronology and Chronostratigraphy,” Spec. Publ. SEPM 54, 129–212 (1995).
3. I. V. Chernyshev, V. A. Lebedev, and M. M. Arakelyants, “K-Ar Dating of Quaternary Volcanics: Methodology and Interpretation of Results,” Petrologiya 14(1), 69–89 (2006) [Petrology 14 (1), 62–80 (2006)].
4. I. V. Chernyshev, V. A. Lebedev, M. M. Arakelyants, et al., “Quaternary Geochronology of the Aragats Volcanic Center, Armenia: Evidence from K-Ar Dating,” Dokl. Akad. Nauk 384(1), 95–102 (2002b) [Dokl. Earth Sci. 384 (4), 393–398 (2002b)].
5. R. T. Dzhrbashyan, S. G. Karapetyan, and A. Kh. Mnatsakanyan, “Late-Collisional Rhyolite Volcanism in Northeastern Part of the Armenian Highland,” Tr. GIN AN Gruzii. Nov, Ser., No. 117, 53–63 (2001).