@inbook{893b2d7b843640358be59efbf68b2862,
title = "The fortress",
keywords = "Viking Age Scandinavia, Viking fortresses, Trelleborg-type fortresses",
author = "Sindb{\ae}k, \{S{\o}ren Michael\} and Else Roesdahl",
year = "2014",
language = "English",
isbn = "9788788415872",
series = "Jysk Ark{\ae}ologisk Selskabs Skrifter",
publisher = "Jysk Ark{\ae}ologisk Selskab",
pages = "139--208",
editor = "Else Roesdahl and Sindb{\ae}k, \{S{\o}ren M. \} and Pedersen, \{Anne \} and Wilson, \{David M.\}",
booktitle = "Aggersborg",
}