A Multi-Layer Channel Router with New Style of Over-the-Cell Routing.

Takashi Fujii Yoko Mima Tsuneo Matsuda Takeshi Yoshimura A Multi-Layer Channel Router with New Style of Over-the-Cell Routing. 585-588 1992 DAC http://portal.acm.org/citation.cfm?id=113938.149635 db/conf/dac/dac92.html#FujiiMMY92