TY JOUR TI RETROSPECTIVE ANALYSIS OF THE INTERNAL PREREQUISITES FOR THE FORMATION OF THE SHIPBUILDING CLUSTER IN THE ASTRAKHAN REGION KW shipbuilding cluster KW shipbuilding enterprises KW Astrakhan region KW development KW integration KW modernization KW factor of localization JO Vestnik of Astrakhan State Technical University. Series: Economics AU Michurina, O.. AU Ilina, N.. AU Karlina, E.. PY 2014 IS 2014 PB Astrakhan State Technical University