TY JOUR TI CHOICE AND JUSTIFICATION OF THE MAIN PARAMETERS OF SMALL PATROL LAUNCH AMPHIBIOUS HOVERCRAFT WITH FLEXIBLE EXTENSION OF BALLONET TYPE KW amphibious craft KW flexible extension KW ballonet KW patrol vessel KW sustained propeller KW compressor fan KW deadweight JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Than, F.. AU Kryzhanov, A.. AU Dvoychenko, Y.. AU Bremzen, E.. PY 2014 IS 2014 PB Astrakhan State Technical University