\input zb-basic
\input zb-ioport
\iteman{io-port 70503121}
\itemau{Multanen, Mikko; Raivio, Kimmo; Lehtim\"aki, Pasi}
\itemti{Hierarchical analysis of GSM network performance data}
\itemso{ESANN, 449-454 (2006).}
\itemcc{}
\itemut{}
\itemli{http://www.dice.ucl.ac.be/Proceedings/esann/esannpdf/es2006-36.pdf}
\end