@techreport{repORt:2019-53, author = {M. L\"{u}bbecke and S.J. Maher and J.T. Witt}, title = {Avoiding redundant columns by adding classical Benders cuts to column generation}, institution = {Lehrstuhl f\"{u}r Operations Research, RWTH Aachen University}, year = {2019}, type = {repORt}, number = {2019--53}, month = {Feb}, url = {https://or.rwth-aachen.de/files/research/repORt/2019-subcuts.pdf} }