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Buchsbaum, Adam L.; Gansner, Emden R.; Procopiuc, Cecilia M.; Venkatasubramanian, Suresh (2008), "Rectangular layouts and contact graphs", ACM Transactions on Algorithms, 4 (1): Art. 8, 28, arXiv:cs/0611107, doi:10.1145/1328911.1328919, MR2398588, S2CID1038771
Klawitter, Jonathan; Nöllenburg, Martin; Ueckerdt, Torsten (2015), "Combinatorial properties of triangle-free rectangle arrangements and the squarability problem", Graph Drawing and Network Visualization: 23rd International Symposium, GD 2015, Los Angeles, CA, USA, September 24-26, 2015, Revised Selected Papers, Lecture Notes in Computer Science, vol. 9411, Springer, pp. 231–244, arXiv:1509.00835, doi:10.1007/978-3-319-27261-0_20, S2CID18477964
Buchsbaum, Adam L.; Gansner, Emden R.; Procopiuc, Cecilia M.; Venkatasubramanian, Suresh (2008), "Rectangular layouts and contact graphs", ACM Transactions on Algorithms, 4 (1): Art. 8, 28, arXiv:cs/0611107, doi:10.1145/1328911.1328919, MR2398588, S2CID1038771
Klawitter, Jonathan; Nöllenburg, Martin; Ueckerdt, Torsten (2015), "Combinatorial properties of triangle-free rectangle arrangements and the squarability problem", Graph Drawing and Network Visualization: 23rd International Symposium, GD 2015, Los Angeles, CA, USA, September 24-26, 2015, Revised Selected Papers, Lecture Notes in Computer Science, vol. 9411, Springer, pp. 231–244, arXiv:1509.00835, doi:10.1007/978-3-319-27261-0_20, S2CID18477964
Alam, Md. Jawaherul; Eppstein, David; Kaufmann, Michael; Kobourov, Stephen G.; Pupyrev, Sergey; Schulz, André; Ueckerdt, Torsten (2015), "Contact graphs of circular arcs", Algorithms and Data Structures: 14th International Symposium, WADS 2015, Victoria, BC, Canada, August 5-7, 2015, Proceedings, Lecture Notes in Computer Science, vol. 9214, Springer, pp. 1–13, arXiv:1501.00318, doi:10.1007/978-3-319-21840-3_1, S2CID6454732