“WATER PERMEABILITY OF AERATION ZONE GROUNDS OF ADJACENT TERRITORYS OF THE STATIONS «YERITASARDAKAN»–«ZORAVAR ANDRANIK» OF YEREVAN UNDERGROUND” (2013) Proceedings of the YSU C: Geological and Geographical Sciences, 47(1 (230), pp. 25–30. doi:10.46991/PYSU:C/2013.47.1.025.