Graphs with four boundary vertices. Müller, Tobias; Pór, Attila; Sereni, Jean-Sébastien — 2011 The Electronic Journal of Combinatorics [electronic only]
Track layouts of graphs. Dujmović, Vida; Pór, Attila; Wood, David R. — 2004 Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]