\input zb-basic \input zb-ioport \iteman{io-port 70775838} \itemau{Chavarr{\'\i}a-B\'aez, Lorena; Li, Xiaoou} \itemti{Ecapnver: A software tool to verify active rule bases} \itemso{ICTAI (2), 138-141 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1109/ICTAI.2010.94} \end