@incollection{,
address  = {},
author = {Shiel, James},
booktitle = {Aristoteles. Werk und Wirkung},
keywords = {Griechenland},
pages = {312-340},
title={The Greek copy of Porphyrios' Isagoge used by Boethius},
uniqueid = {2147326},
url = {http://opac.regesta-imperii.de/id/2147326},
year = {1987}
}