\input zb-basic
\input zb-ioport
\iteman{io-port 70842855}
\itemau{Nakata, Kazuo; Sugiura, Akihiko}
\itemti{Noise reduction of speech by neural networks and vector quantization}
\itemso{EUROSPEECH, 1633-1636 (1989).}
\itemcc{}
\itemut{}
\itemli{http://www.isca-speech.org/archive/eurospeech\_1989/e89\_1633.html}
\end