@inbook {1999, title = {De liturgie in de Zutphense Sint-Walburgiskerk}, booktitle = {De Sint-Walburgiskerk in Zutphen. Momenten uit de geschiedenis van een middeleeuwse kerk}, year = {1999}, pages = {159-185}, publisher = {Walburg Pers}, organization = {Walburg Pers}, address = {Zutphen}, issn = {90-5730-041-9}, author = {Loos, Ike de}, editor = {Groothedde, Michel and Hartman, G.E. and Hermans, M.R. and Jonge, W.H. de} }