@techreport{GroetschelRoggenbuckSperber2005, author = {Martin Gr{\"o}tschel and Robert Roggenbuck and Wolfram Sperber}, title = {Entwicklung und Aufbau des Internet-Dienstes "Math\&Industry"}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {05-23}, language = {deu}, year = {2005} }