00637naa#a2200193#i#450# EN\\bibl\75619 20241129002146.5 2949-2440 20240301b2024####ek#y0engy0150####ca RU Investigation of the oil capacity of natural deposits in the Astrakhan region Journal article Astrakhan Astrakhan State Technical University 2024 5 с. Journal article local Нефть. 553.982 Savenkova Irina Vladimirovna Pivovarova Nadezhda Anatolievna Abakumova Ekaterina Nikolaevna vestnik.astu.org