@book {2008,
	title = {Kloosterland. Land der Kl{\"o}ster. Frysl{\^a}n, Groningen, Ostfriesland},
	year = {2008},
	pages = {109},
	publisher = {Boekvorm Uitgevers},
	organization = {Boekvorm Uitgevers},
	address = {Groningen},
	isbn = {978-90-77548-44-8},
	author = {Loer, Jakob and Kooi, Henk J.}
}
