@incollection{,
address  = {},
author = {Boyer, Régis},
booktitle = {Les Vikings et leur civilisation},
keywords = {Frühmittelalter; Boyer, Régis (1932-)},
pages = {5-11},
title={En guise de présentation générale},
uniqueid = {207127},
url = {http://opac.regesta-imperii.de/id/207127},
year = {1976}
}