00642naa#a2200193#i#450# EN\\bibl\39416 20220528065222.6 2073-5529 20200915b2020####ek#y0engy0150####ca RU ASSESSMENT OF PHYTOPLANKTON AS FOOD RESERVE IN MIDDLE CASPIAN Journal article Astrakhan Astrakhan State Technical University 2020 6 с. Journal article local Биологические науки. 57 Zimina T atyana Nikolaevna Ardabyeva Alevtina Georgievna Kotelnikov Andrey Vyacheslavovich vestnik.astu.org