@book
{TN_libero_mab2,
author = {
Fitchen, John
},
title = {
The construction of Gothic cathedrals
a study of medieval vault erection
},
publisher = {Clarendon},
keywords = {
Gotik
,
Gewölbe
},
year = {1961},
address = {
Oxford
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}