=ADD==author=Lueschow; Stefan=title=Info-Server 97/98. Lieferzeichnis Daten und Telekommunikation=year=1997=publisher=DATACOM=owner=1=reftype=8=source=3 =ADD==author=Yokoyama; Kazuhiro=title=A Formulation of Hensel Construction=year=1994=note=Fujitsu techreport=location=2=owner=2=source=3=reftype=8