Ou He Sheqin Dong Jinian Bian Satoshi Goto Chung-Kuan Cheng A novel fixed-outline floorplanner with zero deadspace for hierarchical design. 16-23 2008 ICCAD http://doi.acm.org/10.1145/1509456.1509473 conf/iccad/2008 db/conf/iccad/iccad2008.html#HeDBGC08