@techreport{GroetschelMonmaStoer1992, author = {Martin Gr{\"o}tschel and Clyde Monma and Mechthild Stoer}, title = {A Polyhedral Approach to Network Connectivity Problems (Extended Abstract).}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {SC-92-22}, language = {eng}, year = {1992} }