\input zb-basic
\input zb-ioport
\iteman{io-port 70899699}
\itemau{Tufte, Gunnar}
\itemti{Metamorphosis and artificial development: an abstract approach to functionality}
\itemso{ECAL (1), 83-90 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-21283-3\_11}
\end