@article {ekim2013polar,
	title = {Polar permutation graphs are polynomial-time recognisable},
	journal = {European Journal of Combinatorics},
	volume = {34},
	number = {3},
	year = {2013},
	pages = {576{\textendash}592},
	publisher = {Academic Press},
	author = {Ekim, Tinaz and Heggernes, Pinar and Meister, Daniel}
}
