@incollection{,
address  = {},
author = {Holznagel, Franz-Josef},
booktitle = {Verfasserlexikon},
keywords = {Walther <von Griven> (13. Jh.); Holznagel, Franz-Josef (1958-)},
pages = {Sp. 642-643},
title={Art. Walther von Griven},
uniqueid = {1393479},
url = {http://opac.regesta-imperii.de/id/1393479},
year = {1999}
}