References
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- Woodward , Mary F. and Barber , Carroll G. 1960 . “Phoneme Perception in Lipreading,” . Journal of Speech and Hearine Research , III September : 212 – 222 .
- Siegel , Sidney . 1956 . Nonparametric Statistics 36 – 42 . New York
- Miller , George A. 1956 . “The Perception of Speech,” . In For Roman Jakobson Edited by: Halle , Morris . 353 – 360 . The Hague
- O'Neill , John J. and Oyer , Herbert J. 1961 . Visual Communication for the Hard of Hearing 8 Engle‐wood Cliffs, N. J.