@article{LDTA-J-2003-MagnussonH,
	author        = "Eva Magnusson and Görel Hedin",
	doi           = "10.1016/j.scico.2005.06.005",
	editor        = "Barrett R. Bryant and João Saraiva",
	journal       = "{Science of Computer Programming}",
	number        = 1,
	pages         = "21--37",
	title         = "{Circular reference attributed grammars — their evaluation and applications}",
	volume        = 68,
	year          = 2007,
}