Tsuneo NittaAkinori KawamuraDesigning a reduced feature-vector set for speech recognition by using KL/GPD competitive training.1997EUROSPEECHhttps://doi.org/10.21437/Eurospeech.1997-557conf/interspeech/1997db/conf/interspeech/eurospeech1997.html#NittaK972107-2110