\input zb-basic
\input zb-ioport
\iteman{io-port 50050090}
\itemau{Thapliyal, Himanshu; Arabnia, Hamid R.; Srinivas, M. B.}
\itemti{Efficient reversible logic design of BCD subtractors}
\itemso{Transactions on Computational Science 3, 99-121 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-00212-0\_6}
\end