@inproceedings{ICGT-2002-HageHW,
	author        = "Jurriaan Hage and Tero Harju and Emo Welzl",
	booktitle     = "{Proceedings of the First International Conference on Graph Transformations}",
	doi           = "10.1007/3-540-45832-8_13",
	editor        = "Andrea Corradini and Hartmut Ehrig and Hans-Jörg Kreowski and Grzegorz Rozenberg",
	isbn          = "3-540-44310-X",
	pages         = "148--160",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Euler Graphs, Triangle-Free Graphs and Bipartite Graphs in Switching Classes}",
	volume        = 2505,
	year          = 2002,
}