@inproceedings{tong_et_al_2019, author = {Tong, Sibo and Vyas, Apoorv and Garner, Philip N. and Bourlard, Herv{\'e}}, title = {Unbiased Semi-supervised {LF-MMI} Training Using Dropout}, booktitle = {Proceedings of Interspeech}, year = {2019} }