Shuji Tsukiyama, Ernest S. Kuh, Isao Shirakawa. On the layering problem of multilayer PWB wiring. In Robert J. Smith II, editor, Proceedings of the 18th Design Automation Conference, DAC '81, Nashville, Tennessee, USA, June 29 - July 1, 1981. pages 738-745, ACM/IEEE, 1981. [doi]
Abstract is missing.