Jenq-Shyan Yang Chung-Ta King Efficient Tree-based Multicast in Wormhole-Routed 2D Meshes. 494-500 1997 conf/ispan/1997 ISPAN http://doi.ieeecomputersociety.org/10.1109/ISPAN.1997.645142 db/conf/ispan/ispan1997.html#YangK97