Dan, R.; Gasparyan, B.; Vitolo, P.; Petrosyan, A.; Saccone, T.; Nahapetyan, S.; Adigyozalyan, A.; Moradi, G.; Zecchi, C. The Rock-Cut Archaeological Complex of Yelpin-1, Vayots Dzor Province, Armenia. AJNES 2018, 12, 59-83.