Patrick Schaumont Serge Vernalde Luc Rijnders Marc Engels Ivo Bolsens Synthesis of multi-rate and variable rate circuits for high speed telecommunications applications. 542-546 1997 ED&TC http://dx.doi.org/10.1109/EDTC.1997.582414 conf/date/1997 db/conf/date/edtc1997.html#SchaumontVREB97