00561naa#a2200169#i#450# EN\\bibl\38371 20241222051926.7 2073-5529 20200622b2020####ek#y0engy0150####ca RU To the question of variability of number of micropyles in oocytes of ship sturgeon (Acipenser nudiventris) Journal article Astrakhan Astrakhan State Technical University 2020 7 с. Journal article local Зоология. 59 Bekbergenova Victoria vestnik.astu.org