00310nam a2200085Ia 4500008004100000082001600041245012000057264003700177300001000214200526s9999||||xx |||||||||||||| ||und|| a362.42 BRO 0aImprovement of Speech and its Psychological Correlates in Deaf Persons and Development of Micro Processor Based Aid bCambridge University Pressc1980 a127p.