\input zb-basic \input zb-ioport \iteman{io-port 70045839} \itemau{Bunse, Christian; H\"opfner, Hagen} \itemti{Resource substitution with components - optimizing energy consumption} \itemso{ICSOFT (SE/MUSE/GSDCA), 28-35 (2008).} \itemcc{} \itemut{} \itemli{} \end