@article{KSY13,
	Author = {T. Kaiser and J.-S. Sereni and Z. Yilma},
	Fjournal = {Electronic Journal of Combinatorics},
	Issn = {1077-8926},
	Journal = {Electron. J. Combin.},
	Title = {Multiple Petersen subdivisions in permutation graphs},
	Mrclass = {05C99 (05C75)},
	Number = {1},
	Pages = {Paper 37, 19},
	Title = {Graphs with four boundary vertices},
	Volume = {20},
	Year = {2013}}