author= {Och, Franz Josef and Ney, Hermann},
title= {A Systematic Comparison of Various Statistical Alignment Models},
journal= {Computational Linguistics},
address= {Cambridge, MA, USA},
pages= {19-51},
volume= {29},
number= {1},
year= 2003,
month= mar,
journallink= {http://www.mitpressjournals.org/toc/coli/29/1},
pdf = {https://www-i6.informatik.rwth-aachen.de/publications/downloader.php?id=171&row=pdf}