Visual communication for the hard of hearing; history, research, mehtods

Dades bibliogràfiques
Autor principal:	O'Neil, John Joseph
Altres autors:	Oyer, Herbert J.
Format:	Llibre
Idioma:	English
Publicat:	Englewood Cliff, N.J. Prentice - Hall [c1961]
Matèries:	Deaf and dumb - Means of communications.