@article {2005,
	title = {Kerstening en kerkstichting in Friesland},
	journal = {Millennium},
	volume = {19},
	year = {2005},
	pages = {61-72},
	author = {Noomen, Paul N.}
}
@inbook {1990,
	title = {Koningsgoed in Groningen. Het domaniale verleden van de stad},
	booktitle = {Groningen 1040. Archeologie en oudste geschiedenis van de stad Groningen},
	year = {1990},
	pages = {97-144 en 279-287},
	publisher = {Profiel},
	organization = {Profiel},
	address = {Bedum},
	author = {Noomen, Paul N.},
	editor = {Boersma, J.W. and Broek, J.F.J. van den and Offerman, G.J.D.}
}
