Maurer, Philippe. 2013c. Principense structure dataset. In APiCS Online.
@incollection{maurer2013c,
author = {Maurer, Philippe},
booktitle = {APiCS Online},
key = {Maurer 2013c},
title = {Principense structure dataset},
url = {http://apics-online.info},
year = {2013c}
}