\input zb-basic \input zb-ioport \iteman{io-port 70011105} \itemau{Schneider, Daniel; Trapp, Mario} \itemti{A safety engineering framework for open adaptive systems} \itemso{SASO, 89-98 (2011).} \itemcc{} \itemut{} \itemli{http://doi.ieeecomputersociety.org/10.1109/SASO.2011.20} \end