Robert Wille Daniel Große Lisa Teuber Gerhard W. Dueck Rolf Drechsler RevLib: An Online Resource for Reversible Functions and Reversible Circuits. 220-225 2008 ISMVL http://doi.ieeecomputersociety.org/10.1109/ISMVL.2008.43 conf/ismvl/2008 db/conf/ismvl/ismvl2008.html#WilleGTDD08