@techreport{AchterbergBertholdHendel2011, author = {Tobias Achterberg and Timo Berthold and Gregor Hendel}, title = {Rounding and Propagation Heuristics for Mixed Integer Programming}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {11-29}, language = {eng}, year = {2011} }