@inbook {2008,
	title = {Het Noorden tussen Karolingische expansie en Noormannendreiging (circa 750-circa 1000)},
	booktitle = {Geschiedenis van Groningen I. Prehistorie-Middeleeuwen},
	year = {2008},
	pages = {100-123 en 370},
	publisher = {Waanders},
	organization = {Waanders},
	address = {Zwolle},
	isbn = {978-90-400-853-90},
	author = {Scha{\"\i}k, Remi van and Groenendijk, Henny A.},
	editor = {Duijvendak, Maarten G.J. and Feenstra, H. and Hillenga, M. and Santing, Catrien}
}
