Koshliakov О, Koshliakova Т, Dyniak О, Koshliakova І. EXPERIENCE OF ISOTOPE TECHNOLOGIES APPLICATION TO STUDY CHANGES IN DEEP-WATER POTABLE AQUIFERS STATE WITHIN KYIV IN CONDITIONS OF LONG-TERM OPERATION. Вісник: Геологія. 2025;3(98):80-85. doi:10.17721/1728-2713.98.10