See <A href=../../../publications/efe.ps.gz> "Efficient parallel facet
enumeration for 0/1-polytopes"</A> (1997), Preprint, <BR>
 by
<A href=http://www.iwr.uni-heidelberg.de/iwr/comopt/christof/christof.html>T.
Christof</A> and
<A href=http://www.iwr.uni-heidelberg.de/iwr/comopt/reinelt/reinelt.html>G.
Reinelt</A>, Univ. of Heidelberg, for algorithmic details.