@techreport{NowakPoehleRoitzschetal.1996, author = {Ulrich Nowak and Uwe P{\"o}hle and Rainer Roitzsch and Roland Werk}, title = {ZGUI-Handbuch}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {TR-96-10}, language = {deu}, year = {1996} }