TY JOUR TI ANALYSIS OF LINEAR-WEIGHT INDICATORS AND MERISTIC CHARACTERS OF THE SIBERIAN STERLET ACIPENSER RUTHENUS MARSIGLII (BRANDT, 1833) IN THE IRTISH RIVER BASIN KW Siberian sterlet KW linear-weight parameters KW meristic characters KW illegal catch JO Vestnik of Astrakhan State Technical University AU Liberman, E.. PY 2017 IS 2017 PB Astrakhan State Technical University