TY JOUR TI SEA TRANSPORTATION AND LOGISTICS INFRASTRUCTURE IN THE CASPIAN REGION: PROBLEMS AND PROSPECTS KW logistics infrastructure KW marine transportation and logistics infrastructure KW the Caspian region KW international transport corridors KW sea ports JO Vestnik of Astrakhan State Technical University. Series: Economics AU Volynskiy, I.. AU Karlina, E.. PY 2019 IS 2019 PB Astrakhan State Technical University