Mkrtchyan, H. H., Abazyan, E. V. and Avetisyan, A. A. (2008) “AUTHENTICITY DEGREE OF CORE FACTS”, Proceedings of the YSU C: Geological and Geographical Sciences. Yerevan, Armenia, 42(3 (217), pp. 148–152. doi: 10.46991/PYSU:C/2008.42.3.148.