R
[RS86] Neil Robertson and Paul D. Seymour. Graph minors II: Algorithmic aspects of tree-width. Journal of Algorithms 7(3):309-322. Elsevier, September 1986. 
@article{ja7(3)-RS,
  author =              {Robertson, Neil and Seymour, Paul D.},
  title =               {Graph minors~{II}: Algorithmic aspects of
                         tree-width},
  publisher =           {Elsevier},
  journal =             {Journal of Algorithms},
  volume =              {7},
  number =              {3},
  pages =               {309-322},
  year =                {1986},
  month =               sep,
  doi =                 {10.1016/0196-6774(86)90023-4},
}
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