\input zb-basic
\input zb-ioport
\iteman{io-port 70464153}
\itemau{Celik, Mehmet Utku; Sharma, Gaurav; Saber, Eli; Tekalp, A. Murat}
\itemti{Reversible data hiding}
\itemso{ICIP (2), 157-160 (2002).}
\itemcc{}
\itemut{}
\itemli{}
\end