00570naa#a2200181#i#450# EN\\bibl\118984 20260403181044.5 2073-5529 20260327b2026####ek#y0engy0150####ca RU Invasive diseases of commercial fish in the Volga Delta Journal article Astrakhan Astrakhan State Technical University 2026 6 с. Journal article local Pisces. Рыбы. 597 Voronina Elena Aleksandrovna Proskurina Victoria Vladimirovna vestnik.astu.org