Sandeep N. Bhatt Gianfranco Bilardi Geppino Pucci Area-Universal Circuits with Constant Slowdown. 89-98 1999 conf/arvlsi/1999 ARVLSI http://doi.ieeecomputersociety.org/10.1109/ARVLSI.1999.756040 db/conf/arvlsi/arvlsi1999.html#BhattBP99