@incollection{,
address  = {},
author = {Sognnes, Kalle},
booktitle = {Nordic world. Prehistory to medieval times},
keywords = {Skandinavien; Vorzeit},
pages = {230-245},
title={Stability & Change in Scandinavian Rock-Art},
uniqueid = {1362963},
url = {http://opac.regesta-imperii.de/id/1362963},
year = {2008}
}