Gary W. Clow. A global routing algorithm for general cells. In Patricia H. Lambert, Hillel Ofek, Lawrence A. O'Neill, Pat O. Pistilli, Paul Losleben, J. D. Nash, Dennis W. Shaklee, Bryan T. Preas, Harvey N. Lerman, editors, Proceedings of the 21st Design Automation Conference, DAC '84, Albuquerque, New Mexico, June 25-27, 1984. pages 45-51, ACM/IEEE, 1984. [doi]