1. Modification of the voices of deaf children;Boone;Volta Rev.,1966
2. Language outline;CID;Ann. Deaf,1950
3. Speech and hearing: A comparison between hard of hearing and deaf children;Gold,1978
4. Test of Articulation;Goldman,1972
5. An investigation of the intelligibility of the speech of the deaf;Hudgins;Genet. Psychol. Monogr.,1942