\input zb-basic
\input zb-ioport
\iteman{io-port 50138658}
\itemau{Chen, Feng-Juan; Li, Ji-Bin; Chen, Fang-Yue}
\itemti{Horseshoe in RTD-based cellular neural networks}
\itemso{I. J. Bifurcation and Chaos 18, No. 3, 689-694 (2008).}
\itemcc{}
\itemut{}
\itemli{doi:10.1142/S0218127408020586}
\end