\input zb-basic
\input zb-ioport
\iteman{io-port 50039299}
\itemau{Artalejo, J. R.}
\itemti{Accessible bibliography on retrial queues: progress in 2000-2009}
\itemso{Mathematical and Computer Modelling 51, No. 9-10, 1071-1081 (2010).}
\itemcc{}
\itemut{}
\itemli{doi:10.1016/j.mcm.2009.12.011}
\end