\input zb-basic \input zb-ioport \iteman{io-port 70974202} \itemau{Mendoza, Luis Eduardo; Capel, Manuel I.; Akhlaki, Kawtar Benghazi} \itemti{Towards the correctness verifcation of business processes modelled with UML} \itemso{JISBD, 159-170 (2008).} \itemcc{} \itemut{} \itemli{} \end