@techreport{
DeSBlo:97-68a,
author={B. {D}e Schutter and V. Blondel and R. de Vries and B. {D}e Moor},
title={{On} the boolean minimal realization problem in the max-plus algebra:
Addendum},
number={97-68a},
institution={ESAT-SISTA, K.U.Leuven},
address={Leuven, Belgium},
month=dec,
year={1997}
}