Speech recognition expert system : an integration of knowledge-based system and neural networks = Onsei ninshiki ekisupato shisutemu : chisiki besu shisutemu to nyuraru nettowaku no togoSpeech recognition expert system : an integration of knowledge-based system and neural networks = Onsei ninshiki ekisupato shisutemu : chisiki besu shisutemu to nyuraru nettowaku no togo 音声認識エキスパートシステム