@article{LDTA-2008-LammelTK09,
	author        = "Ralf Lämmel and Simon J. Thompson and Markus Kaiser",
	doi           = "10.1016/j.entcs.2009.09.045",
	journal       = "{Electronic Notes in Theoretical Computer Science}",
	number        = 5,
	pages         = "135--153",
	title         = "{Programming Errors in Traversal Programs Over Structured Data}",
	volume        = 238,
	year          = 2009,
}