@incollection{,
address  = {},
author = {Pearson, David},
booktitle = {Early printed books as material objects},
keywords = {},
pages = {321-330},
title={The Importance of the Copy Census as a Methodology in Book History},
uniqueid = {1872988},
url = {http://opac.regesta-imperii.de/id/1872988},
year = {2010}
}