\input zb-basic
\input zb-ioport
\iteman{io-port 50197035}
\itemau{D{\'\i}az-Franc\'es, Elo{\'\i}sa; Montoya, Jos\'e A.}
\itemti{Letter to the editor}
\itemso{Statistical Methods and Applications 18, No. 1, 63-66 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/s10260-008-0099-3}
\end