author= {Plahl, Christian and Schl{\\"u}ter, Ralf and Ney, Hermann},
title= {Hierarchical Bottle Neck Features for LVCSR},
booktitle= {Interspeech},
year= 2010,
pages= {1197-1200},
address= {Makuhari, Japan},
month= sep,
booktitlelink= {http://www.interspeech2010.org},
pdf = {https://www-i6.informatik.rwth-aachen.de/publications/downloader.php?id=679&row=pdf}