1. A dogleg channel router;Deutsch,1976
2. LTX - A minicomputer-based system for automatic LSI layout;Persky;J. Des. Automat. Fault-Tolerant Comput.,1977
3. Wire routing by optimizing channel assignment;Hashimo,1971
4. Efficient algorithms for channel routing;Yoshimura;IEEE Trans. CAD of ICs and Systems,1982