@inbook{56c3a070139c11ddbee902004c4f4f50,
title = "Introduction",
author = "Petersen, {Nils Holger} and And{\aa}s, {Margrete Syrstad} and {\O}ystein Ekroll and Andreas Haug",
year = "2007",
language = "English",
isbn = "978-2-503-52301-9",
series = "Ritus et Artes: Traditions and Transformations",
publisher = "Brepols Publishers",
number = "3",
pages = "1--20",
editor = "And{\aa}s, {Margrete Syrstad} and {\O}ystein Ekroll and Andreas Haug and Petersen, {Nils Holger}",
booktitle = "The Medieval Cathedral of Trondheim",
address = "Belgium",
}