@incollection{,
address  = {},
author = {Irgang, Winfried},
booktitle = {Irgang, Schlesien im Mittelalter},
keywords = {Neisse; Mittelalter; Irgang, Winfried (1942-)},
pages = {89-95},
title={Das mittelalterliche Neisse},
uniqueid = {1301220},
url = {http://opac.regesta-imperii.de/id/1301220},
year = {2007}
}