@article{1364380,
      author = {Robertson, Neil, and Seymour, Paul D.,},
      url = {http://library.usi.edu/record/1364380},
      title = {Graph structure theory : proceedings of the AMS-IMS-SIAM  Joint Summer Research Conference on Graph Minors, held June  22 to July 5, 1991, with support from the National Science  Foundation and the Office of Naval Research /. AMS-IMS-SIAM  Joint Summer Research Conference on Graph Minors},
      recid = {1364380},
      pages = {1 online resource (706 pages) :},
}