@inbook {1999, title = {Leeuwarden in de middeleeuwen}, booktitle = {Leeuwarden 750-2000. Hoofdstad van Friesland}, year = {1999}, pages = {46-77}, publisher = {Uitgeverij Van Wijnen}, organization = {Uitgeverij Van Wijnen}, address = {Franeker}, issn = {90-5194-173-0}, author = {Noomen, Paul N.}, editor = {Kunst, Ren{\'e}} }