@Misc{N.Pares1992,
author="N. Pares
and J.R. Serra",
title="Tailleur: El problema del sastre.",
year="1992",
optnote="exported from refbase (http://refbase.cvc.uab.es/show.php?record=252), last updated on Mon, 04 Jul 2011 12:13:08 +0200"
}