\input zb-basic
\input zb-ioport
\iteman{io-port 70827702}
\itemau{Verstraete, J\"org}
\itemti{Higher reasoning with level-2 fuzzy regions}
\itemso{FQAS, 49-59 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-642-24764-4\_5}
\end