@techreport{BrandtBrandt2000, author = {Andreas Brandt and Manfred Brandt}, title = {Asymptotic Results and a Markovian Approximation for the M(n)/M(n)/s+GI System}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {00-12}, language = {eng}, year = {2000} }