%0 Conference Proceedings %T The RWTH System Combination System for WMT 2009 %A Leusch, Gregor %A Matusov, Evgeny %A Ney, Hermann %Y Callison-Burch, Chris %Y Koehn, Philipp %Y Monz, Christof %Y Schroeder, Josh %S Proceedings of the Fourth Workshop on Statistical Machine Translation %D 2009 %8 March %I Association for Computational Linguistics %C Athens, Greece %F leusch-etal-2009-rwth %U https://aclanthology.org/W09-0407 %P 51-55