@techreport{DeuflhardNowakPoehleetal.1991, author = {Peter Deuflhard and Ulrich Nowak and Uwe P{\"o}hle and B. Ch. Schmidt and J. Weyer}, title = {Die Ausbreitung von HIV/AIDS in Ballungsgebieten.}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {TR-91-09}, language = {deu}, year = {1991} }