1. Repp BH. Phonetic and auditory trading relations between acoustic cues in speech perception: preliminary results. New Haven (CT): Haskins Laboratories: Status Report on Speech Research, 1981 Jan. Report No.: SS-73.
2. The psychophysics of speech perception;DB Pisoni,1987
3. Some cues for the distinction between voiced and voiceless stops in initial position;AM Liberman;Lang Speech,1958
4. Lisker L, Abramson AS. The voicing dimensions: some experiments in comparative phonetics. Proceedings of the sixth international congress of phonetic science. 1970; 563–67.
5. Role of formant transitions in the voiced-voiceless distinction for stops;KN Steven;J Acoust Soc Am,1974