\input zb-basic
\input zb-ioport
\iteman{io-port 03366548}
\itemau{Alexandridis, Nikitas A.; Klinger, Allen}
\itemti{Real-time Walsh-Hadamard transformation.}
\itemso{IEEE Trans. Comput. 21, 288-292 (1972).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/TC.1972.5008951}
\end