@incollection{,
address  = {},
author = {Arblaster, John; Faesen, Rob},
booktitle = {A companion to John of Ruusbroec},
keywords = {Ruusbroec, Jan van (1293-1381); Faesen, Rob (1958-)},
pages = {1-4},
title={Introduction},
uniqueid = {1990354},
url = {http://opac.regesta-imperii.de/id/1990354},
year = {2014}
}