\input zb-basic
\input zb-ioport
\iteman{io-port 50377290}
\itemau{Chung, Fan R. K.; Jr., Edward G. Coffman; Reiman, Martin I.; Simon, Burton}
\itemti{The forwarding index of communication networks}
\itemso{IEEE Transactions on Information Theory 33, No. 2, 224-232 (1987).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/TIT.1987.1057290}
\end