@article {:20 February 2004:0925-8191:158,
	title = "DISCUSSION",
	journal = "Lier en Boog",
	volume = "18",
	year = "20 February 2004",
	abstract = "",
	pages = "158-179(22)",
	url = "http://www.ingentaconnect.com/content/rodopi/leb/2004/00000018/00000001/art00019"
}