Tuhina Samanta Prasun Ghosal Hafizur Rahaman Parthasarathi Dasgupta Minimum-Congestion Placement for Y-interconnects: Some studies and observations. 73-80 2007 conf/isvlsi/2007 ISVLSI http://doi.ieeecomputersociety.org/10.1109/ISVLSI.2007.66 db/conf/isvlsi/isvlsi2007.html#SamantaGRD07