@techreport{AchterbergRaack2009, author = {Tobias Achterberg and Christian Raack}, title = {The MCF-Separator -- Detecting and Exploiting Multi-Commodity Flow Structures in MIPs}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {09-38}, language = {eng}, year = {2009} }