1. Wire routing by optimizing channel assignment with large apertures;Hashimoto,1971
2. An optimum channel-routing algorithm for polycell layouts of integrated circuits;Kernighan,1973
3. A dogleg channel router;Deutsch,1976
4. The complexity of design automation problems;Sahni,1980
5. Algorithms for integrated circuits layout: An analytic approach;LaPaugh,1980