TY - BOOK AU - Castle, William E. TI - THE EFFECT OF SELECTIVE NARROW-BAND FILTERING ON THE PERCEPTION OF CERTAIN ENGLISH VOWELS U1 - 421.5 PY - 1964/// CY - London PB - Mouton KW - English Language -- Vowels N1 - Includes Bibliography; On Spine : Narrow-Band Filtering On Vowels ER -