@inbook{Puchinger_2004,
title={An Evolutionary Algorithm for Column Generation in Integer Programming: An Effective Approach for 2D Bin Packing},
ISBN={9783540302179},
ISSN={1611-3349},
url={http://dx.doi.org/10.1007/978-3-540-30217-9_65},
DOI={10.1007/978-3-540-30217-9_65},
booktitle={Parallel Problem Solving from Nature - PPSN VIII},
publisher={Springer Berlin Heidelberg},
author={Puchinger,
Jakob and Raidl,
Günther R.},
year={2004},
pages={642–651} }