Chandra Chekuri, Sanjeev Khanna, F. Bruce Shepherd. Edge-disjoint paths in Planar graphs with constant congestion. In Jon M. Kleinberg, editor, Proceedings of the 38th Annual ACM Symposium on Theory of Computing, Seattle, WA, USA, May 21-23, 2006. pages 757-766, ACM, 2006. [doi]
Abstract is missing.