00344nam a2200097Ia 4500008004100000082001400041100002300055245012200078264003700200300000900237200527s9999||||xx |||||||||||||| ||und|| a401.9 WAL aWalton, Jane Karen 3aAn Empirical Study of Hearing Impairment, Intelligence, and Rehabilitation of Speech Utilizing the Kostic Methodology bWisconsin State Universityc1973 a49p.