@Misc{V.Valev1995,
author="V. Valev
and Petia Radeva",
title="Constructing Quantitative Non-Reducible Descriptors.",
year="1995",
optnote="MILAB",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=140), last updated on Mon, 27 Jun 2011 16:55:43 +0200"
}