1. An algorithm for the optimal placement and routing of a circuit within a ring of pads;Baker,1983
2. Optimal parallel algorithms for one-layer routing;Chang,1989
3. River routing every which way, but loose;Cole,1984
4. Optimal wiring between rectangles;Dolev,1981
5. MulCh: A multi-layer channel router using one, two, and three layer partitions;Greenberg,1988