@book
{TN_libero_mab2,
author = {
Hamilton, Bernard
},
title = {
Monastic reform, Catharism and the Crusades, (900-1300)
},
edition = {
Repr.
}
,
publisher = {Variorum},
isbn = {0860780422},
year = {1997},
booktitle = {Collected studies series ; 97},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}