00826nam2-22002891i-450-99000090196040332120001010000090196FED01000090196(Aleph)000090196FED0100009019620001010d--------km-y0itay50------baitay-------001yyVolte Sottili1871I PCSYMPOSIUM IASSPaper presented at the InternationalSympo sium on shell structures inengineering prac tice. Vol. I,II,III,IV /0010000893572001Volte SottiliVainberg,M.M.339987ITUNINARICAUNIMARCBK990000901960403321000090196000001IINTCIINTCVolte Sottili357172UNINAING01