@techreport{AchterbergBixbyGuetal.2016, author = {Tobias Achterberg and Robert E. Bixby and Zonghao Gu and Edward Rothberg and Dieter Weninger}, title = {Presolve Reductions in Mixed Integer Programming}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {16-44}, language = {eng}, year = {2016} }