@incollection{steenweg1994using,
  author = {Steenweg, Helge},
  title = {Using a computer to analyse the social structure and social topography of a mediaeval town},
  booktitle = {Storia & Multimedia. Settimo Congresso Internazionale AHC},
  year = {1994},
  pages = {375-388.}
}

@incollection{steenweg1992computers,
  author = {Steenweg, Helge},
  title = {Computers and Social History: Building a Database from Mediaeval Tax Registers for improved Information  Retrieval in Göttingen},
  booktitle = {CAA 91, Computer Applications and Quantitative Methods in Archaeology  (BAR International Series S 577),},
  year = {1992},
  pages = {29-38.}
}