@techreport{AlevrasGroetschelWessaely1997, author = {Dimitris Alevras and Martin Gr{\"o}tschel and Roland Wess{\"a}ly}, title = {Capacity and Survivability Models for Telecommunication Networks}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-97-24}, language = {eng}, year = {1997} }