00662naa#a2200193#i#450# EN\\bibl\45985 20240426122909.5 2073-5529 20210926b2021####ek#y0engy0150####ca RU CHARACTERISTICS OF PHYTOPLANKTON DEVELOPMENT IN MIDDLE CASPIAN IN SUMMER PERIOD Journal article Astrakhan Astrakhan State Technical University 2021 6 с. Journal article local Биологические науки. 57 Zimina T atyana Nikolaevna Ardabyeva Alevtina Georgievna Kotelnikov Andrey Vyacheslavovich vestnik.astu.org