Achoyan, Z. and Avetisyan, O. 2013. WATER PERMEABILITY OF AERATION ZONE GROUNDS OF ADJACENT TERRITORYS OF THE STATIONS «YERITASARDAKAN»–«ZORAVAR ANDRANIK» OF YEREVAN UNDERGROUND. Proceedings of the YSU C: Geological and Geographical Sciences. 47, 1 (230) (Apr. 2013), 25–30. DOI:https://doi.org/10.46991/PYSU:C/2013.47.1.025.