WATER PERMEABILITY OF AERATION ZONE GROUNDS OF ADJACENT TERRITORYS OF THE STATIONS «YERITASARDAKAN»–«ZORAVAR ANDRANIK» OF YEREVAN UNDERGROUND. Proc. YSU C: Geol. Geogr. Sci. 2013, 47 (1 (230), 25-30. https://doi.org/10.46991/PYSU:C/2013.47.1.025.