Atminas, A., Brignall, R., Korpelainen, N., Lozin, V. and Vatter, V. 2015. Well-Quasi-Order for Permutation Graphs Omitting a Path and a Clique. The Electronic Journal of Combinatorics. 22, 2 (Apr. 2015), P2.20. DOI:https://doi.org/10.37236/4074.