Description
Item Description:At head of title: American Speech-Language-Hearing Association.
"This project was supported in part by the Administration on Developmental Disabilities, U.S. Department of Health and Human Services, under Grant Number 90DD0005/01"--Title page verso.
Physical Description:xix, 394 pages : illustrations ; 26 cm.
Bibliography:Includes bibliographies and index.
ISBN:091358097X :