@techreport{GamrathBertholdHeinzetal.2015, author = {Gerald Gamrath and Timo Berthold and Stefan Heinz and Michael Winkler}, title = {Structure-based primal heuristics for mixed integer programming}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {15-26}, language = {eng}, year = {2015} }