\input zb-basic
\input zb-ioport
\iteman{io-port 50088699}
\itemau{Fattal, Raanan; Carroll, Robert; Agrawala, Maneesh}
\itemti{Edge-based image coarsening}
\itemso{ACM Trans. Graph. 29, No. 1 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1145/1640443.1640449}
\end