@article{SulimmaKunz2006,
  author    = {Kolja Sulimma and Wolfgang Kunz},
  title     = {An exact algorithm for solving difficult detailed routing problems},
  journal   = {Proceedings of the 2001 international symposium on Physical design, ISPD'01, April 14, 2001Sonoma, California, S. 198-203 , ISBN: 1-58113-347-2},
  pages     = {198 -- 203},
  year      = {2006},
}