\input zb-basic \input zb-ioport \iteman{io-port 70812856} \itemau{Shin, Soo Young; Park, Soo-Hyun} \itemti{Omnet++ based simulation for underwater environment} \itemso{EUC (2), 689-694 (2008).} \itemcc{} \itemut{} \itemli{doi:10.1109/EUC.2008.34} \end