TY JOUR TI CHARACTERISTICS OF SIZE PARAMETERS OF STERLET JUVENILES (ACIPENSER RUTHENUS L. 1758) IN IRTYSH RIVER (UVAT DISTRICT) KW sterlet KW Acipenser ruthenus KW starlet juveniles KW plastic characters KW weight KW length KW variability KW age. JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Volosnikov, G.. PY 2020 IS 2020 PB Astrakhan State Technical University