author= {Ortmanns, Stefan and Ney, Hermann},
title= {Look-Ahead Techniques for Fast Beam Search},
journal= {Computer Speech and Language},
pages= {15-32},
volume= {14},
number= {1},
year= 2000,
month= jan,
url = {http://dx.doi.org/10.1006/csla.1999.0131}