Volker Kaibel Low-Dimensional Faces of Random 0/1-Polytopes. 401-415 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3064&spage=401 2004 conf/ipco/2004 IPCO db/conf/ipco/ipco2004.html#Kaibel04