1. American national standard specifications for audiometers;American National Standards Institute,1969
2. The structuring of language: Clues from the similarities between signed and spoken language;Bellugi,1980
3. The acquisition of a spatial language;Bellugi,1988
4. Enhancement of spatial cognition in deaf children;Bellugi,1990
5. Language, modality, and the brain;Bellugi;Trends in Neurosciences,1989